linux/drivers/net/wireless/b43/phy_n.c
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   1/*
   2
   3  Broadcom B43 wireless driver
   4  IEEE 802.11n PHY support
   5
   6  Copyright (c) 2008 Michael Buesch <mb@bu3sch.de>
   7
   8  This program is free software; you can redistribute it and/or modify
   9  it under the terms of the GNU General Public License as published by
  10  the Free Software Foundation; either version 2 of the License, or
  11  (at your option) any later version.
  12
  13  This program is distributed in the hope that it will be useful,
  14  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  GNU General Public License for more details.
  17
  18  You should have received a copy of the GNU General Public License
  19  along with this program; see the file COPYING.  If not, write to
  20  the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
  21  Boston, MA 02110-1301, USA.
  22
  23*/
  24
  25#include <linux/delay.h>
  26#include <linux/slab.h>
  27#include <linux/types.h>
  28
  29#include "b43.h"
  30#include "phy_n.h"
  31#include "tables_nphy.h"
  32#include "radio_2055.h"
  33#include "radio_2056.h"
  34#include "main.h"
  35
  36struct nphy_txgains {
  37        u16 txgm[2];
  38        u16 pga[2];
  39        u16 pad[2];
  40        u16 ipa[2];
  41};
  42
  43struct nphy_iqcal_params {
  44        u16 txgm;
  45        u16 pga;
  46        u16 pad;
  47        u16 ipa;
  48        u16 cal_gain;
  49        u16 ncorr[5];
  50};
  51
  52struct nphy_iq_est {
  53        s32 iq0_prod;
  54        u32 i0_pwr;
  55        u32 q0_pwr;
  56        s32 iq1_prod;
  57        u32 i1_pwr;
  58        u32 q1_pwr;
  59};
  60
  61enum b43_nphy_rf_sequence {
  62        B43_RFSEQ_RX2TX,
  63        B43_RFSEQ_TX2RX,
  64        B43_RFSEQ_RESET2RX,
  65        B43_RFSEQ_UPDATE_GAINH,
  66        B43_RFSEQ_UPDATE_GAINL,
  67        B43_RFSEQ_UPDATE_GAINU,
  68};
  69
  70enum b43_nphy_rssi_type {
  71        B43_NPHY_RSSI_X = 0,
  72        B43_NPHY_RSSI_Y,
  73        B43_NPHY_RSSI_Z,
  74        B43_NPHY_RSSI_PWRDET,
  75        B43_NPHY_RSSI_TSSI_I,
  76        B43_NPHY_RSSI_TSSI_Q,
  77        B43_NPHY_RSSI_TBD,
  78};
  79
  80static void b43_nphy_stay_in_carrier_search(struct b43_wldev *dev,
  81                                                bool enable);
  82static void b43_nphy_set_rf_sequence(struct b43_wldev *dev, u8 cmd,
  83                                        u8 *events, u8 *delays, u8 length);
  84static void b43_nphy_force_rf_sequence(struct b43_wldev *dev,
  85                                       enum b43_nphy_rf_sequence seq);
  86static void b43_nphy_rf_control_override(struct b43_wldev *dev, u16 field,
  87                                                u16 value, u8 core, bool off);
  88static void b43_nphy_rf_control_intc_override(struct b43_wldev *dev, u8 field,
  89                                                u16 value, u8 core);
  90
  91void b43_nphy_set_rxantenna(struct b43_wldev *dev, int antenna)
  92{//TODO
  93}
  94
  95static void b43_nphy_op_adjust_txpower(struct b43_wldev *dev)
  96{//TODO
  97}
  98
  99static enum b43_txpwr_result b43_nphy_op_recalc_txpower(struct b43_wldev *dev,
 100                                                        bool ignore_tssi)
 101{//TODO
 102        return B43_TXPWR_RES_DONE;
 103}
 104
 105static void b43_chantab_radio_upload(struct b43_wldev *dev,
 106                                const struct b43_nphy_channeltab_entry_rev2 *e)
 107{
 108        b43_radio_write(dev, B2055_PLL_REF, e->radio_pll_ref);
 109        b43_radio_write(dev, B2055_RF_PLLMOD0, e->radio_rf_pllmod0);
 110        b43_radio_write(dev, B2055_RF_PLLMOD1, e->radio_rf_pllmod1);
 111        b43_radio_write(dev, B2055_VCO_CAPTAIL, e->radio_vco_captail);
 112        b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
 113
 114        b43_radio_write(dev, B2055_VCO_CAL1, e->radio_vco_cal1);
 115        b43_radio_write(dev, B2055_VCO_CAL2, e->radio_vco_cal2);
 116        b43_radio_write(dev, B2055_PLL_LFC1, e->radio_pll_lfc1);
 117        b43_radio_write(dev, B2055_PLL_LFR1, e->radio_pll_lfr1);
 118        b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
 119
 120        b43_radio_write(dev, B2055_PLL_LFC2, e->radio_pll_lfc2);
 121        b43_radio_write(dev, B2055_LGBUF_CENBUF, e->radio_lgbuf_cenbuf);
 122        b43_radio_write(dev, B2055_LGEN_TUNE1, e->radio_lgen_tune1);
 123        b43_radio_write(dev, B2055_LGEN_TUNE2, e->radio_lgen_tune2);
 124        b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
 125
 126        b43_radio_write(dev, B2055_C1_LGBUF_ATUNE, e->radio_c1_lgbuf_atune);
 127        b43_radio_write(dev, B2055_C1_LGBUF_GTUNE, e->radio_c1_lgbuf_gtune);
 128        b43_radio_write(dev, B2055_C1_RX_RFR1, e->radio_c1_rx_rfr1);
 129        b43_radio_write(dev, B2055_C1_TX_PGAPADTN, e->radio_c1_tx_pgapadtn);
 130        b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
 131
 132        b43_radio_write(dev, B2055_C1_TX_MXBGTRIM, e->radio_c1_tx_mxbgtrim);
 133        b43_radio_write(dev, B2055_C2_LGBUF_ATUNE, e->radio_c2_lgbuf_atune);
 134        b43_radio_write(dev, B2055_C2_LGBUF_GTUNE, e->radio_c2_lgbuf_gtune);
 135        b43_radio_write(dev, B2055_C2_RX_RFR1, e->radio_c2_rx_rfr1);
 136        b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
 137
 138        b43_radio_write(dev, B2055_C2_TX_PGAPADTN, e->radio_c2_tx_pgapadtn);
 139        b43_radio_write(dev, B2055_C2_TX_MXBGTRIM, e->radio_c2_tx_mxbgtrim);
 140}
 141
 142static void b43_chantab_radio_2056_upload(struct b43_wldev *dev,
 143                                const struct b43_nphy_channeltab_entry_rev3 *e)
 144{
 145        b43_radio_write(dev, B2056_SYN_PLL_VCOCAL1, e->radio_syn_pll_vcocal1);
 146        b43_radio_write(dev, B2056_SYN_PLL_VCOCAL2, e->radio_syn_pll_vcocal2);
 147        b43_radio_write(dev, B2056_SYN_PLL_REFDIV, e->radio_syn_pll_refdiv);
 148        b43_radio_write(dev, B2056_SYN_PLL_MMD2, e->radio_syn_pll_mmd2);
 149        b43_radio_write(dev, B2056_SYN_PLL_MMD1, e->radio_syn_pll_mmd1);
 150        b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1,
 151                                        e->radio_syn_pll_loopfilter1);
 152        b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2,
 153                                        e->radio_syn_pll_loopfilter2);
 154        b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER3,
 155                                        e->radio_syn_pll_loopfilter3);
 156        b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4,
 157                                        e->radio_syn_pll_loopfilter4);
 158        b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER5,
 159                                        e->radio_syn_pll_loopfilter5);
 160        b43_radio_write(dev, B2056_SYN_RESERVED_ADDR27,
 161                                        e->radio_syn_reserved_addr27);
 162        b43_radio_write(dev, B2056_SYN_RESERVED_ADDR28,
 163                                        e->radio_syn_reserved_addr28);
 164        b43_radio_write(dev, B2056_SYN_RESERVED_ADDR29,
 165                                        e->radio_syn_reserved_addr29);
 166        b43_radio_write(dev, B2056_SYN_LOGEN_VCOBUF1,
 167                                        e->radio_syn_logen_vcobuf1);
 168        b43_radio_write(dev, B2056_SYN_LOGEN_MIXER2, e->radio_syn_logen_mixer2);
 169        b43_radio_write(dev, B2056_SYN_LOGEN_BUF3, e->radio_syn_logen_buf3);
 170        b43_radio_write(dev, B2056_SYN_LOGEN_BUF4, e->radio_syn_logen_buf4);
 171
 172        b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAA_TUNE,
 173                                        e->radio_rx0_lnaa_tune);
 174        b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAG_TUNE,
 175                                        e->radio_rx0_lnag_tune);
 176
 177        b43_radio_write(dev, B2056_TX0 | B2056_TX_INTPAA_BOOST_TUNE,
 178                                        e->radio_tx0_intpaa_boost_tune);
 179        b43_radio_write(dev, B2056_TX0 | B2056_TX_INTPAG_BOOST_TUNE,
 180                                        e->radio_tx0_intpag_boost_tune);
 181        b43_radio_write(dev, B2056_TX0 | B2056_TX_PADA_BOOST_TUNE,
 182                                        e->radio_tx0_pada_boost_tune);
 183        b43_radio_write(dev, B2056_TX0 | B2056_TX_PADG_BOOST_TUNE,
 184                                        e->radio_tx0_padg_boost_tune);
 185        b43_radio_write(dev, B2056_TX0 | B2056_TX_PGAA_BOOST_TUNE,
 186                                        e->radio_tx0_pgaa_boost_tune);
 187        b43_radio_write(dev, B2056_TX0 | B2056_TX_PGAG_BOOST_TUNE,
 188                                        e->radio_tx0_pgag_boost_tune);
 189        b43_radio_write(dev, B2056_TX0 | B2056_TX_MIXA_BOOST_TUNE,
 190                                        e->radio_tx0_mixa_boost_tune);
 191        b43_radio_write(dev, B2056_TX0 | B2056_TX_MIXG_BOOST_TUNE,
 192                                        e->radio_tx0_mixg_boost_tune);
 193
 194        b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAA_TUNE,
 195                                        e->radio_rx1_lnaa_tune);
 196        b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAG_TUNE,
 197                                        e->radio_rx1_lnag_tune);
 198
 199        b43_radio_write(dev, B2056_TX1 | B2056_TX_INTPAA_BOOST_TUNE,
 200                                        e->radio_tx1_intpaa_boost_tune);
 201        b43_radio_write(dev, B2056_TX1 | B2056_TX_INTPAG_BOOST_TUNE,
 202                                        e->radio_tx1_intpag_boost_tune);
 203        b43_radio_write(dev, B2056_TX1 | B2056_TX_PADA_BOOST_TUNE,
 204                                        e->radio_tx1_pada_boost_tune);
 205        b43_radio_write(dev, B2056_TX1 | B2056_TX_PADG_BOOST_TUNE,
 206                                        e->radio_tx1_padg_boost_tune);
 207        b43_radio_write(dev, B2056_TX1 | B2056_TX_PGAA_BOOST_TUNE,
 208                                        e->radio_tx1_pgaa_boost_tune);
 209        b43_radio_write(dev, B2056_TX1 | B2056_TX_PGAG_BOOST_TUNE,
 210                                        e->radio_tx1_pgag_boost_tune);
 211        b43_radio_write(dev, B2056_TX1 | B2056_TX_MIXA_BOOST_TUNE,
 212                                        e->radio_tx1_mixa_boost_tune);
 213        b43_radio_write(dev, B2056_TX1 | B2056_TX_MIXG_BOOST_TUNE,
 214                                        e->radio_tx1_mixg_boost_tune);
 215}
 216
 217/* http://bcm-v4.sipsolutions.net/802.11/PHY/Radio/2056Setup */
 218static void b43_radio_2056_setup(struct b43_wldev *dev,
 219                                const struct b43_nphy_channeltab_entry_rev3 *e)
 220{
 221        B43_WARN_ON(dev->phy.rev < 3);
 222
 223        b43_chantab_radio_2056_upload(dev, e);
 224        /* TODO */
 225        udelay(50);
 226        /* VCO calibration */
 227        b43_radio_write(dev, B2056_SYN_PLL_VCOCAL12, 0x00);
 228        b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x38);
 229        b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x18);
 230        b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x38);
 231        b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x39);
 232        udelay(300);
 233}
 234
 235static void b43_chantab_phy_upload(struct b43_wldev *dev,
 236                                   const struct b43_phy_n_sfo_cfg *e)
 237{
 238        b43_phy_write(dev, B43_NPHY_BW1A, e->phy_bw1a);
 239        b43_phy_write(dev, B43_NPHY_BW2, e->phy_bw2);
 240        b43_phy_write(dev, B43_NPHY_BW3, e->phy_bw3);
 241        b43_phy_write(dev, B43_NPHY_BW4, e->phy_bw4);
 242        b43_phy_write(dev, B43_NPHY_BW5, e->phy_bw5);
 243        b43_phy_write(dev, B43_NPHY_BW6, e->phy_bw6);
 244}
 245
 246/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlEnable */
 247static void b43_nphy_tx_power_ctrl(struct b43_wldev *dev, bool enable)
 248{
 249        struct b43_phy_n *nphy = dev->phy.n;
 250        u8 i;
 251        u16 tmp;
 252
 253        if (nphy->hang_avoid)
 254                b43_nphy_stay_in_carrier_search(dev, 1);
 255
 256        nphy->txpwrctrl = enable;
 257        if (!enable) {
 258                if (dev->phy.rev >= 3)
 259                        ; /* TODO */
 260
 261                b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6840);
 262                for (i = 0; i < 84; i++)
 263                        b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0);
 264
 265                b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6C40);
 266                for (i = 0; i < 84; i++)
 267                        b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0);
 268
 269                tmp = B43_NPHY_TXPCTL_CMD_COEFF | B43_NPHY_TXPCTL_CMD_HWPCTLEN;
 270                if (dev->phy.rev >= 3)
 271                        tmp |= B43_NPHY_TXPCTL_CMD_PCTLEN;
 272                b43_phy_mask(dev, B43_NPHY_TXPCTL_CMD, ~tmp);
 273
 274                if (dev->phy.rev >= 3) {
 275                        b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0100);
 276                        b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0100);
 277                } else {
 278                        b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4000);
 279                }
 280
 281                if (dev->phy.rev == 2)
 282                        b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
 283                                ~B43_NPHY_BPHY_CTL3_SCALE, 0x53);
 284                else if (dev->phy.rev < 2)
 285                        b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
 286                                ~B43_NPHY_BPHY_CTL3_SCALE, 0x5A);
 287
 288                if (dev->phy.rev < 2 && 0)
 289                        ; /* TODO */
 290        } else {
 291                b43err(dev->wl, "enabling tx pwr ctrl not implemented yet\n");
 292        }
 293
 294        if (nphy->hang_avoid)
 295                b43_nphy_stay_in_carrier_search(dev, 0);
 296}
 297
 298/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrFix */
 299static void b43_nphy_tx_power_fix(struct b43_wldev *dev)
 300{
 301        struct b43_phy_n *nphy = dev->phy.n;
 302        struct ssb_sprom *sprom = &(dev->dev->bus->sprom);
 303
 304        u8 txpi[2], bbmult, i;
 305        u16 tmp, radio_gain, dac_gain;
 306        u16 freq = dev->phy.channel_freq;
 307        u32 txgain;
 308        /* u32 gaintbl; rev3+ */
 309
 310        if (nphy->hang_avoid)
 311                b43_nphy_stay_in_carrier_search(dev, 1);
 312
 313        if (dev->phy.rev >= 3) {
 314                txpi[0] = 40;
 315                txpi[1] = 40;
 316        } else if (sprom->revision < 4) {
 317                txpi[0] = 72;
 318                txpi[1] = 72;
 319        } else {
 320                if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
 321                        txpi[0] = sprom->txpid2g[0];
 322                        txpi[1] = sprom->txpid2g[1];
 323                } else if (freq >= 4900 && freq < 5100) {
 324                        txpi[0] = sprom->txpid5gl[0];
 325                        txpi[1] = sprom->txpid5gl[1];
 326                } else if (freq >= 5100 && freq < 5500) {
 327                        txpi[0] = sprom->txpid5g[0];
 328                        txpi[1] = sprom->txpid5g[1];
 329                } else if (freq >= 5500) {
 330                        txpi[0] = sprom->txpid5gh[0];
 331                        txpi[1] = sprom->txpid5gh[1];
 332                } else {
 333                        txpi[0] = 91;
 334                        txpi[1] = 91;
 335                }
 336        }
 337
 338        /*
 339        for (i = 0; i < 2; i++) {
 340                nphy->txpwrindex[i].index_internal = txpi[i];
 341                nphy->txpwrindex[i].index_internal_save = txpi[i];
 342        }
 343        */
 344
 345        for (i = 0; i < 2; i++) {
 346                if (dev->phy.rev >= 3) {
 347                        /* FIXME: support 5GHz */
 348                        txgain = b43_ntab_tx_gain_rev3plus_2ghz[txpi[i]];
 349                        radio_gain = (txgain >> 16) & 0x1FFFF;
 350                } else {
 351                        txgain = b43_ntab_tx_gain_rev0_1_2[txpi[i]];
 352                        radio_gain = (txgain >> 16) & 0x1FFF;
 353                }
 354
 355                dac_gain = (txgain >> 8) & 0x3F;
 356                bbmult = txgain & 0xFF;
 357
 358                if (dev->phy.rev >= 3) {
 359                        if (i == 0)
 360                                b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0100);
 361                        else
 362                                b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0100);
 363                } else {
 364                        b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4000);
 365                }
 366
 367                if (i == 0)
 368                        b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN1, dac_gain);
 369                else
 370                        b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN2, dac_gain);
 371
 372                b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D10 + i);
 373                b43_phy_write(dev, B43_NPHY_TABLE_DATALO, radio_gain);
 374
 375                b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x3C57);
 376                tmp = b43_phy_read(dev, B43_NPHY_TABLE_DATALO);
 377
 378                if (i == 0)
 379                        tmp = (tmp & 0x00FF) | (bbmult << 8);
 380                else
 381                        tmp = (tmp & 0xFF00) | bbmult;
 382
 383                b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x3C57);
 384                b43_phy_write(dev, B43_NPHY_TABLE_DATALO, tmp);
 385
 386                if (0)
 387                        ; /* TODO */
 388        }
 389
 390        b43_phy_mask(dev, B43_NPHY_BPHY_CTL2, ~B43_NPHY_BPHY_CTL2_LUT);
 391
 392        if (nphy->hang_avoid)
 393                b43_nphy_stay_in_carrier_search(dev, 0);
 394}
 395
 396
 397/* http://bcm-v4.sipsolutions.net/802.11/PHY/Radio/2055Setup */
 398static void b43_radio_2055_setup(struct b43_wldev *dev,
 399                                const struct b43_nphy_channeltab_entry_rev2 *e)
 400{
 401        B43_WARN_ON(dev->phy.rev >= 3);
 402
 403        b43_chantab_radio_upload(dev, e);
 404        udelay(50);
 405        b43_radio_write(dev, B2055_VCO_CAL10, 0x05);
 406        b43_radio_write(dev, B2055_VCO_CAL10, 0x45);
 407        b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
 408        b43_radio_write(dev, B2055_VCO_CAL10, 0x65);
 409        udelay(300);
 410}
 411
 412static void b43_radio_init2055_pre(struct b43_wldev *dev)
 413{
 414        b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
 415                     ~B43_NPHY_RFCTL_CMD_PORFORCE);
 416        b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
 417                    B43_NPHY_RFCTL_CMD_CHIP0PU |
 418                    B43_NPHY_RFCTL_CMD_OEPORFORCE);
 419        b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
 420                    B43_NPHY_RFCTL_CMD_PORFORCE);
 421}
 422
 423static void b43_radio_init2055_post(struct b43_wldev *dev)
 424{
 425        struct b43_phy_n *nphy = dev->phy.n;
 426        struct ssb_sprom *sprom = &(dev->dev->bus->sprom);
 427        struct ssb_boardinfo *binfo = &(dev->dev->bus->boardinfo);
 428        int i;
 429        u16 val;
 430        bool workaround = false;
 431
 432        if (sprom->revision < 4)
 433                workaround = (binfo->vendor != PCI_VENDOR_ID_BROADCOM &&
 434                                binfo->type == 0x46D &&
 435                                binfo->rev >= 0x41);
 436        else
 437                workaround =
 438                        !(sprom->boardflags2_lo & B43_BFL2_RXBB_INT_REG_DIS);
 439
 440        b43_radio_mask(dev, B2055_MASTER1, 0xFFF3);
 441        if (workaround) {
 442                b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F);
 443                b43_radio_mask(dev, B2055_C2_RX_BB_REG, 0x7F);
 444        }
 445        b43_radio_maskset(dev, B2055_RRCCAL_NOPTSEL, 0xFFC0, 0x2C);
 446        b43_radio_write(dev, B2055_CAL_MISC, 0x3C);
 447        b43_radio_mask(dev, B2055_CAL_MISC, 0xFFBE);
 448        b43_radio_set(dev, B2055_CAL_LPOCTL, 0x80);
 449        b43_radio_set(dev, B2055_CAL_MISC, 0x1);
 450        msleep(1);
 451        b43_radio_set(dev, B2055_CAL_MISC, 0x40);
 452        for (i = 0; i < 200; i++) {
 453                val = b43_radio_read(dev, B2055_CAL_COUT2);
 454                if (val & 0x80) {
 455                        i = 0;
 456                        break;
 457                }
 458                udelay(10);
 459        }
 460        if (i)
 461                b43err(dev->wl, "radio post init timeout\n");
 462        b43_radio_mask(dev, B2055_CAL_LPOCTL, 0xFF7F);
 463        b43_switch_channel(dev, dev->phy.channel);
 464        b43_radio_write(dev, B2055_C1_RX_BB_LPF, 0x9);
 465        b43_radio_write(dev, B2055_C2_RX_BB_LPF, 0x9);
 466        b43_radio_write(dev, B2055_C1_RX_BB_MIDACHP, 0x83);
 467        b43_radio_write(dev, B2055_C2_RX_BB_MIDACHP, 0x83);
 468        b43_radio_maskset(dev, B2055_C1_LNA_GAINBST, 0xFFF8, 0x6);
 469        b43_radio_maskset(dev, B2055_C2_LNA_GAINBST, 0xFFF8, 0x6);
 470        if (!nphy->gain_boost) {
 471                b43_radio_set(dev, B2055_C1_RX_RFSPC1, 0x2);
 472                b43_radio_set(dev, B2055_C2_RX_RFSPC1, 0x2);
 473        } else {
 474                b43_radio_mask(dev, B2055_C1_RX_RFSPC1, 0xFFFD);
 475                b43_radio_mask(dev, B2055_C2_RX_RFSPC1, 0xFFFD);
 476        }
 477        udelay(2);
 478}
 479
 480/*
 481 * Initialize a Broadcom 2055 N-radio
 482 * http://bcm-v4.sipsolutions.net/802.11/Radio/2055/Init
 483 */
 484static void b43_radio_init2055(struct b43_wldev *dev)
 485{
 486        b43_radio_init2055_pre(dev);
 487        if (b43_status(dev) < B43_STAT_INITIALIZED) {
 488                /* Follow wl, not specs. Do not force uploading all regs */
 489                b2055_upload_inittab(dev, 0, 0);
 490        } else {
 491                bool ghz5 = b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ;
 492                b2055_upload_inittab(dev, ghz5, 0);
 493        }
 494        b43_radio_init2055_post(dev);
 495}
 496
 497static void b43_radio_init2056_pre(struct b43_wldev *dev)
 498{
 499        b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
 500                     ~B43_NPHY_RFCTL_CMD_CHIP0PU);
 501        /* Maybe wl meant to reset and set (order?) RFCTL_CMD_OEPORFORCE? */
 502        b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
 503                     B43_NPHY_RFCTL_CMD_OEPORFORCE);
 504        b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
 505                    ~B43_NPHY_RFCTL_CMD_OEPORFORCE);
 506        b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
 507                    B43_NPHY_RFCTL_CMD_CHIP0PU);
 508}
 509
 510static void b43_radio_init2056_post(struct b43_wldev *dev)
 511{
 512        b43_radio_set(dev, B2056_SYN_COM_CTRL, 0xB);
 513        b43_radio_set(dev, B2056_SYN_COM_PU, 0x2);
 514        b43_radio_set(dev, B2056_SYN_COM_RESET, 0x2);
 515        msleep(1);
 516        b43_radio_mask(dev, B2056_SYN_COM_RESET, ~0x2);
 517        b43_radio_mask(dev, B2056_SYN_PLL_MAST2, ~0xFC);
 518        b43_radio_mask(dev, B2056_SYN_RCCAL_CTRL0, ~0x1);
 519        /*
 520        if (nphy->init_por)
 521                Call Radio 2056 Recalibrate
 522        */
 523}
 524
 525/*
 526 * Initialize a Broadcom 2056 N-radio
 527 * http://bcm-v4.sipsolutions.net/802.11/Radio/2056/Init
 528 */
 529static void b43_radio_init2056(struct b43_wldev *dev)
 530{
 531        b43_radio_init2056_pre(dev);
 532        b2056_upload_inittabs(dev, 0, 0);
 533        b43_radio_init2056_post(dev);
 534}
 535
 536/*
 537 * Upload the N-PHY tables.
 538 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/InitTables
 539 */
 540static void b43_nphy_tables_init(struct b43_wldev *dev)
 541{
 542        if (dev->phy.rev < 3)
 543                b43_nphy_rev0_1_2_tables_init(dev);
 544        else
 545                b43_nphy_rev3plus_tables_init(dev);
 546}
 547
 548/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PA%20override */
 549static void b43_nphy_pa_override(struct b43_wldev *dev, bool enable)
 550{
 551        struct b43_phy_n *nphy = dev->phy.n;
 552        enum ieee80211_band band;
 553        u16 tmp;
 554
 555        if (!enable) {
 556                nphy->rfctrl_intc1_save = b43_phy_read(dev,
 557                                                       B43_NPHY_RFCTL_INTC1);
 558                nphy->rfctrl_intc2_save = b43_phy_read(dev,
 559                                                       B43_NPHY_RFCTL_INTC2);
 560                band = b43_current_band(dev->wl);
 561                if (dev->phy.rev >= 3) {
 562                        if (band == IEEE80211_BAND_5GHZ)
 563                                tmp = 0x600;
 564                        else
 565                                tmp = 0x480;
 566                } else {
 567                        if (band == IEEE80211_BAND_5GHZ)
 568                                tmp = 0x180;
 569                        else
 570                                tmp = 0x120;
 571                }
 572                b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
 573                b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
 574        } else {
 575                b43_phy_write(dev, B43_NPHY_RFCTL_INTC1,
 576                                nphy->rfctrl_intc1_save);
 577                b43_phy_write(dev, B43_NPHY_RFCTL_INTC2,
 578                                nphy->rfctrl_intc2_save);
 579        }
 580}
 581
 582/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxLpFbw */
 583static void b43_nphy_tx_lp_fbw(struct b43_wldev *dev)
 584{
 585        struct b43_phy_n *nphy = dev->phy.n;
 586        u16 tmp;
 587        enum ieee80211_band band = b43_current_band(dev->wl);
 588        bool ipa = (nphy->ipa2g_on && band == IEEE80211_BAND_2GHZ) ||
 589                        (nphy->ipa5g_on && band == IEEE80211_BAND_5GHZ);
 590
 591        if (dev->phy.rev >= 3) {
 592                if (ipa) {
 593                        tmp = 4;
 594                        b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S2,
 595                              (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
 596                }
 597
 598                tmp = 1;
 599                b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S2,
 600                              (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
 601        }
 602}
 603
 604/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BmacPhyClkFgc */
 605static void b43_nphy_bmac_clock_fgc(struct b43_wldev *dev, bool force)
 606{
 607        u32 tmslow;
 608
 609        if (dev->phy.type != B43_PHYTYPE_N)
 610                return;
 611
 612        tmslow = ssb_read32(dev->dev, SSB_TMSLOW);
 613        if (force)
 614                tmslow |= SSB_TMSLOW_FGC;
 615        else
 616                tmslow &= ~SSB_TMSLOW_FGC;
 617        ssb_write32(dev->dev, SSB_TMSLOW, tmslow);
 618}
 619
 620/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CCA */
 621static void b43_nphy_reset_cca(struct b43_wldev *dev)
 622{
 623        u16 bbcfg;
 624
 625        b43_nphy_bmac_clock_fgc(dev, 1);
 626        bbcfg = b43_phy_read(dev, B43_NPHY_BBCFG);
 627        b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg | B43_NPHY_BBCFG_RSTCCA);
 628        udelay(1);
 629        b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg & ~B43_NPHY_BBCFG_RSTCCA);
 630        b43_nphy_bmac_clock_fgc(dev, 0);
 631        b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
 632}
 633
 634/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/MIMOConfig */
 635static void b43_nphy_update_mimo_config(struct b43_wldev *dev, s32 preamble)
 636{
 637        u16 mimocfg = b43_phy_read(dev, B43_NPHY_MIMOCFG);
 638
 639        mimocfg |= B43_NPHY_MIMOCFG_AUTO;
 640        if (preamble == 1)
 641                mimocfg |= B43_NPHY_MIMOCFG_GFMIX;
 642        else
 643                mimocfg &= ~B43_NPHY_MIMOCFG_GFMIX;
 644
 645        b43_phy_write(dev, B43_NPHY_MIMOCFG, mimocfg);
 646}
 647
 648/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Chains */
 649static void b43_nphy_update_txrx_chain(struct b43_wldev *dev)
 650{
 651        struct b43_phy_n *nphy = dev->phy.n;
 652
 653        bool override = false;
 654        u16 chain = 0x33;
 655
 656        if (nphy->txrx_chain == 0) {
 657                chain = 0x11;
 658                override = true;
 659        } else if (nphy->txrx_chain == 1) {
 660                chain = 0x22;
 661                override = true;
 662        }
 663
 664        b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
 665                        ~(B43_NPHY_RFSEQCA_TXEN | B43_NPHY_RFSEQCA_RXEN),
 666                        chain);
 667
 668        if (override)
 669                b43_phy_set(dev, B43_NPHY_RFSEQMODE,
 670                                B43_NPHY_RFSEQMODE_CAOVER);
 671        else
 672                b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
 673                                ~B43_NPHY_RFSEQMODE_CAOVER);
 674}
 675
 676/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqEst */
 677static void b43_nphy_rx_iq_est(struct b43_wldev *dev, struct nphy_iq_est *est,
 678                                u16 samps, u8 time, bool wait)
 679{
 680        int i;
 681        u16 tmp;
 682
 683        b43_phy_write(dev, B43_NPHY_IQEST_SAMCNT, samps);
 684        b43_phy_maskset(dev, B43_NPHY_IQEST_WT, ~B43_NPHY_IQEST_WT_VAL, time);
 685        if (wait)
 686                b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_MODE);
 687        else
 688                b43_phy_mask(dev, B43_NPHY_IQEST_CMD, ~B43_NPHY_IQEST_CMD_MODE);
 689
 690        b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_START);
 691
 692        for (i = 1000; i; i--) {
 693                tmp = b43_phy_read(dev, B43_NPHY_IQEST_CMD);
 694                if (!(tmp & B43_NPHY_IQEST_CMD_START)) {
 695                        est->i0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI0) << 16) |
 696                                        b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO0);
 697                        est->q0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI0) << 16) |
 698                                        b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO0);
 699                        est->iq0_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI0) << 16) |
 700                                        b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO0);
 701
 702                        est->i1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI1) << 16) |
 703                                        b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO1);
 704                        est->q1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI1) << 16) |
 705                                        b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO1);
 706                        est->iq1_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI1) << 16) |
 707                                        b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO1);
 708                        return;
 709                }
 710                udelay(10);
 711        }
 712        memset(est, 0, sizeof(*est));
 713}
 714
 715/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqCoeffs */
 716static void b43_nphy_rx_iq_coeffs(struct b43_wldev *dev, bool write,
 717                                        struct b43_phy_n_iq_comp *pcomp)
 718{
 719        if (write) {
 720                b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPA0, pcomp->a0);
 721                b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPB0, pcomp->b0);
 722                b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPA1, pcomp->a1);
 723                b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPB1, pcomp->b1);
 724        } else {
 725                pcomp->a0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPA0);
 726                pcomp->b0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPB0);
 727                pcomp->a1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPA1);
 728                pcomp->b1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPB1);
 729        }
 730}
 731
 732#if 0
 733/* Ready but not used anywhere */
 734/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhyCleanup */
 735static void b43_nphy_rx_cal_phy_cleanup(struct b43_wldev *dev, u8 core)
 736{
 737        u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
 738
 739        b43_phy_write(dev, B43_NPHY_RFSEQCA, regs[0]);
 740        if (core == 0) {
 741                b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[1]);
 742                b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
 743        } else {
 744                b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
 745                b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
 746        }
 747        b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[3]);
 748        b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[4]);
 749        b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, regs[5]);
 750        b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, regs[6]);
 751        b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, regs[7]);
 752        b43_phy_write(dev, B43_NPHY_RFCTL_OVER, regs[8]);
 753        b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
 754        b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
 755}
 756
 757/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhySetup */
 758static void b43_nphy_rx_cal_phy_setup(struct b43_wldev *dev, u8 core)
 759{
 760        u8 rxval, txval;
 761        u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
 762
 763        regs[0] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
 764        if (core == 0) {
 765                regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
 766                regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
 767        } else {
 768                regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
 769                regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
 770        }
 771        regs[3] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
 772        regs[4] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
 773        regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1);
 774        regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2);
 775        regs[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S1);
 776        regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER);
 777        regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
 778        regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
 779
 780        b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
 781        b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
 782
 783        b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
 784                        ~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF,
 785                        ((1 - core) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
 786        b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
 787                        ((1 - core) << B43_NPHY_RFSEQCA_TXEN_SHIFT));
 788        b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN,
 789                        (core << B43_NPHY_RFSEQCA_RXEN_SHIFT));
 790        b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXDIS,
 791                        (core << B43_NPHY_RFSEQCA_TXDIS_SHIFT));
 792
 793        if (core == 0) {
 794                b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x0007);
 795                b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0007);
 796        } else {
 797                b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x0007);
 798                b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0007);
 799        }
 800
 801        b43_nphy_rf_control_intc_override(dev, 2, 0, 3);
 802        b43_nphy_rf_control_override(dev, 8, 0, 3, false);
 803        b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
 804
 805        if (core == 0) {
 806                rxval = 1;
 807                txval = 8;
 808        } else {
 809                rxval = 4;
 810                txval = 2;
 811        }
 812        b43_nphy_rf_control_intc_override(dev, 1, rxval, (core + 1));
 813        b43_nphy_rf_control_intc_override(dev, 1, txval, (2 - core));
 814}
 815#endif
 816
 817/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalcRxIqComp */
 818static void b43_nphy_calc_rx_iq_comp(struct b43_wldev *dev, u8 mask)
 819{
 820        int i;
 821        s32 iq;
 822        u32 ii;
 823        u32 qq;
 824        int iq_nbits, qq_nbits;
 825        int arsh, brsh;
 826        u16 tmp, a, b;
 827
 828        struct nphy_iq_est est;
 829        struct b43_phy_n_iq_comp old;
 830        struct b43_phy_n_iq_comp new = { };
 831        bool error = false;
 832
 833        if (mask == 0)
 834                return;
 835
 836        b43_nphy_rx_iq_coeffs(dev, false, &old);
 837        b43_nphy_rx_iq_coeffs(dev, true, &new);
 838        b43_nphy_rx_iq_est(dev, &est, 0x4000, 32, false);
 839        new = old;
 840
 841        for (i = 0; i < 2; i++) {
 842                if (i == 0 && (mask & 1)) {
 843                        iq = est.iq0_prod;
 844                        ii = est.i0_pwr;
 845                        qq = est.q0_pwr;
 846                } else if (i == 1 && (mask & 2)) {
 847                        iq = est.iq1_prod;
 848                        ii = est.i1_pwr;
 849                        qq = est.q1_pwr;
 850                } else {
 851                        continue;
 852                }
 853
 854                if (ii + qq < 2) {
 855                        error = true;
 856                        break;
 857                }
 858
 859                iq_nbits = fls(abs(iq));
 860                qq_nbits = fls(qq);
 861
 862                arsh = iq_nbits - 20;
 863                if (arsh >= 0) {
 864                        a = -((iq << (30 - iq_nbits)) + (ii >> (1 + arsh)));
 865                        tmp = ii >> arsh;
 866                } else {
 867                        a = -((iq << (30 - iq_nbits)) + (ii << (-1 - arsh)));
 868                        tmp = ii << -arsh;
 869                }
 870                if (tmp == 0) {
 871                        error = true;
 872                        break;
 873                }
 874                a /= tmp;
 875
 876                brsh = qq_nbits - 11;
 877                if (brsh >= 0) {
 878                        b = (qq << (31 - qq_nbits));
 879                        tmp = ii >> brsh;
 880                } else {
 881                        b = (qq << (31 - qq_nbits));
 882                        tmp = ii << -brsh;
 883                }
 884                if (tmp == 0) {
 885                        error = true;
 886                        break;
 887                }
 888                b = int_sqrt(b / tmp - a * a) - (1 << 10);
 889
 890                if (i == 0 && (mask & 0x1)) {
 891                        if (dev->phy.rev >= 3) {
 892                                new.a0 = a & 0x3FF;
 893                                new.b0 = b & 0x3FF;
 894                        } else {
 895                                new.a0 = b & 0x3FF;
 896                                new.b0 = a & 0x3FF;
 897                        }
 898                } else if (i == 1 && (mask & 0x2)) {
 899                        if (dev->phy.rev >= 3) {
 900                                new.a1 = a & 0x3FF;
 901                                new.b1 = b & 0x3FF;
 902                        } else {
 903                                new.a1 = b & 0x3FF;
 904                                new.b1 = a & 0x3FF;
 905                        }
 906                }
 907        }
 908
 909        if (error)
 910                new = old;
 911
 912        b43_nphy_rx_iq_coeffs(dev, true, &new);
 913}
 914
 915/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxIqWar */
 916static void b43_nphy_tx_iq_workaround(struct b43_wldev *dev)
 917{
 918        u16 array[4];
 919        int i;
 920
 921        b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x3C50);
 922        for (i = 0; i < 4; i++)
 923                array[i] = b43_phy_read(dev, B43_NPHY_TABLE_DATALO);
 924
 925        b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW0, array[0]);
 926        b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW1, array[1]);
 927        b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW2, array[2]);
 928        b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW3, array[3]);
 929}
 930
 931/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
 932static void b43_nphy_write_clip_detection(struct b43_wldev *dev,
 933                                          const u16 *clip_st)
 934{
 935        b43_phy_write(dev, B43_NPHY_C1_CLIP1THRES, clip_st[0]);
 936        b43_phy_write(dev, B43_NPHY_C2_CLIP1THRES, clip_st[1]);
 937}
 938
 939/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
 940static void b43_nphy_read_clip_detection(struct b43_wldev *dev, u16 *clip_st)
 941{
 942        clip_st[0] = b43_phy_read(dev, B43_NPHY_C1_CLIP1THRES);
 943        clip_st[1] = b43_phy_read(dev, B43_NPHY_C2_CLIP1THRES);
 944}
 945
 946/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SuperSwitchInit */
 947static void b43_nphy_superswitch_init(struct b43_wldev *dev, bool init)
 948{
 949        if (dev->phy.rev >= 3) {
 950                if (!init)
 951                        return;
 952                if (0 /* FIXME */) {
 953                        b43_ntab_write(dev, B43_NTAB16(9, 2), 0x211);
 954                        b43_ntab_write(dev, B43_NTAB16(9, 3), 0x222);
 955                        b43_ntab_write(dev, B43_NTAB16(9, 8), 0x144);
 956                        b43_ntab_write(dev, B43_NTAB16(9, 12), 0x188);
 957                }
 958        } else {
 959                b43_phy_write(dev, B43_NPHY_GPIO_LOOEN, 0);
 960                b43_phy_write(dev, B43_NPHY_GPIO_HIOEN, 0);
 961
 962                ssb_chipco_gpio_control(&dev->dev->bus->chipco, 0xFC00,
 963                                        0xFC00);
 964                b43_write32(dev, B43_MMIO_MACCTL,
 965                        b43_read32(dev, B43_MMIO_MACCTL) &
 966                        ~B43_MACCTL_GPOUTSMSK);
 967                b43_write16(dev, B43_MMIO_GPIO_MASK,
 968                        b43_read16(dev, B43_MMIO_GPIO_MASK) | 0xFC00);
 969                b43_write16(dev, B43_MMIO_GPIO_CONTROL,
 970                        b43_read16(dev, B43_MMIO_GPIO_CONTROL) & ~0xFC00);
 971
 972                if (init) {
 973                        b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
 974                        b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
 975                        b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
 976                        b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
 977                }
 978        }
 979}
 980
 981/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/classifier */
 982static u16 b43_nphy_classifier(struct b43_wldev *dev, u16 mask, u16 val)
 983{
 984        u16 tmp;
 985
 986        if (dev->dev->id.revision == 16)
 987                b43_mac_suspend(dev);
 988
 989        tmp = b43_phy_read(dev, B43_NPHY_CLASSCTL);
 990        tmp &= (B43_NPHY_CLASSCTL_CCKEN | B43_NPHY_CLASSCTL_OFDMEN |
 991                B43_NPHY_CLASSCTL_WAITEDEN);
 992        tmp &= ~mask;
 993        tmp |= (val & mask);
 994        b43_phy_maskset(dev, B43_NPHY_CLASSCTL, 0xFFF8, tmp);
 995
 996        if (dev->dev->id.revision == 16)
 997                b43_mac_enable(dev);
 998
 999        return tmp;
1000}
1001
1002/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/carriersearch */
1003static void b43_nphy_stay_in_carrier_search(struct b43_wldev *dev, bool enable)
1004{
1005        struct b43_phy *phy = &dev->phy;
1006        struct b43_phy_n *nphy = phy->n;
1007
1008        if (enable) {
1009                static const u16 clip[] = { 0xFFFF, 0xFFFF };
1010                if (nphy->deaf_count++ == 0) {
1011                        nphy->classifier_state = b43_nphy_classifier(dev, 0, 0);
1012                        b43_nphy_classifier(dev, 0x7, 0);
1013                        b43_nphy_read_clip_detection(dev, nphy->clip_state);
1014                        b43_nphy_write_clip_detection(dev, clip);
1015                }
1016                b43_nphy_reset_cca(dev);
1017        } else {
1018                if (--nphy->deaf_count == 0) {
1019                        b43_nphy_classifier(dev, 0x7, nphy->classifier_state);
1020                        b43_nphy_write_clip_detection(dev, nphy->clip_state);
1021                }
1022        }
1023}
1024
1025/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/stop-playback */
1026static void b43_nphy_stop_playback(struct b43_wldev *dev)
1027{
1028        struct b43_phy_n *nphy = dev->phy.n;
1029        u16 tmp;
1030
1031        if (nphy->hang_avoid)
1032                b43_nphy_stay_in_carrier_search(dev, 1);
1033
1034        tmp = b43_phy_read(dev, B43_NPHY_SAMP_STAT);
1035        if (tmp & 0x1)
1036                b43_phy_set(dev, B43_NPHY_SAMP_CMD, B43_NPHY_SAMP_CMD_STOP);
1037        else if (tmp & 0x2)
1038                b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
1039
1040        b43_phy_mask(dev, B43_NPHY_SAMP_CMD, ~0x0004);
1041
1042        if (nphy->bb_mult_save & 0x80000000) {
1043                tmp = nphy->bb_mult_save & 0xFFFF;
1044                b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
1045                nphy->bb_mult_save = 0;
1046        }
1047
1048        if (nphy->hang_avoid)
1049                b43_nphy_stay_in_carrier_search(dev, 0);
1050}
1051
1052/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SpurWar */
1053static void b43_nphy_spur_workaround(struct b43_wldev *dev)
1054{
1055        struct b43_phy_n *nphy = dev->phy.n;
1056
1057        u8 channel = dev->phy.channel;
1058        int tone[2] = { 57, 58 };
1059        u32 noise[2] = { 0x3FF, 0x3FF };
1060
1061        B43_WARN_ON(dev->phy.rev < 3);
1062
1063        if (nphy->hang_avoid)
1064                b43_nphy_stay_in_carrier_search(dev, 1);
1065
1066        if (nphy->gband_spurwar_en) {
1067                /* TODO: N PHY Adjust Analog Pfbw (7) */
1068                if (channel == 11 && dev->phy.is_40mhz)
1069                        ; /* TODO: N PHY Adjust Min Noise Var(2, tone, noise)*/
1070                else
1071                        ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
1072                /* TODO: N PHY Adjust CRS Min Power (0x1E) */
1073        }
1074
1075        if (nphy->aband_spurwar_en) {
1076                if (channel == 54) {
1077                        tone[0] = 0x20;
1078                        noise[0] = 0x25F;
1079                } else if (channel == 38 || channel == 102 || channel == 118) {
1080                        if (0 /* FIXME */) {
1081                                tone[0] = 0x20;
1082                                noise[0] = 0x21F;
1083                        } else {
1084                                tone[0] = 0;
1085                                noise[0] = 0;
1086                        }
1087                } else if (channel == 134) {
1088                        tone[0] = 0x20;
1089                        noise[0] = 0x21F;
1090                } else if (channel == 151) {
1091                        tone[0] = 0x10;
1092                        noise[0] = 0x23F;
1093                } else if (channel == 153 || channel == 161) {
1094                        tone[0] = 0x30;
1095                        noise[0] = 0x23F;
1096                } else {
1097                        tone[0] = 0;
1098                        noise[0] = 0;
1099                }
1100
1101                if (!tone[0] && !noise[0])
1102                        ; /* TODO: N PHY Adjust Min Noise Var(1, tone, noise)*/
1103                else
1104                        ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
1105        }
1106
1107        if (nphy->hang_avoid)
1108                b43_nphy_stay_in_carrier_search(dev, 0);
1109}
1110
1111/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/AdjustLnaGainTbl */
1112static void b43_nphy_adjust_lna_gain_table(struct b43_wldev *dev)
1113{
1114        struct b43_phy_n *nphy = dev->phy.n;
1115
1116        u8 i;
1117        s16 tmp;
1118        u16 data[4];
1119        s16 gain[2];
1120        u16 minmax[2];
1121        static const u16 lna_gain[4] = { -2, 10, 19, 25 };
1122
1123        if (nphy->hang_avoid)
1124                b43_nphy_stay_in_carrier_search(dev, 1);
1125
1126        if (nphy->gain_boost) {
1127                if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
1128                        gain[0] = 6;
1129                        gain[1] = 6;
1130                } else {
1131                        tmp = 40370 - 315 * dev->phy.channel;
1132                        gain[0] = ((tmp >> 13) + ((tmp >> 12) & 1));
1133                        tmp = 23242 - 224 * dev->phy.channel;
1134                        gain[1] = ((tmp >> 13) + ((tmp >> 12) & 1));
1135                }
1136        } else {
1137                gain[0] = 0;
1138                gain[1] = 0;
1139        }
1140
1141        for (i = 0; i < 2; i++) {
1142                if (nphy->elna_gain_config) {
1143                        data[0] = 19 + gain[i];
1144                        data[1] = 25 + gain[i];
1145                        data[2] = 25 + gain[i];
1146                        data[3] = 25 + gain[i];
1147                } else {
1148                        data[0] = lna_gain[0] + gain[i];
1149                        data[1] = lna_gain[1] + gain[i];
1150                        data[2] = lna_gain[2] + gain[i];
1151                        data[3] = lna_gain[3] + gain[i];
1152                }
1153                b43_ntab_write_bulk(dev, B43_NTAB16(i, 8), 4, data);
1154
1155                minmax[i] = 23 + gain[i];
1156        }
1157
1158        b43_phy_maskset(dev, B43_NPHY_C1_MINMAX_GAIN, ~B43_NPHY_C1_MINGAIN,
1159                                minmax[0] << B43_NPHY_C1_MINGAIN_SHIFT);
1160        b43_phy_maskset(dev, B43_NPHY_C2_MINMAX_GAIN, ~B43_NPHY_C2_MINGAIN,
1161                                minmax[1] << B43_NPHY_C2_MINGAIN_SHIFT);
1162
1163        if (nphy->hang_avoid)
1164                b43_nphy_stay_in_carrier_search(dev, 0);
1165}
1166
1167/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/WorkaroundsGainCtrl */
1168static void b43_nphy_gain_ctrl_workarounds(struct b43_wldev *dev)
1169{
1170        struct b43_phy_n *nphy = dev->phy.n;
1171        struct ssb_sprom *sprom = &(dev->dev->bus->sprom);
1172
1173        /* PHY rev 0, 1, 2 */
1174        u8 i, j;
1175        u8 code;
1176        u16 tmp;
1177        u8 rfseq_events[3] = { 6, 8, 7 };
1178        u8 rfseq_delays[3] = { 10, 30, 1 };
1179
1180        /* PHY rev >= 3 */
1181        bool ghz5;
1182        bool ext_lna;
1183        u16 rssi_gain;
1184        struct nphy_gain_ctl_workaround_entry *e;
1185        u8 lpf_gain[6] = { 0x00, 0x06, 0x0C, 0x12, 0x12, 0x12 };
1186        u8 lpf_bits[6] = { 0, 1, 2, 3, 3, 3 };
1187
1188        if (dev->phy.rev >= 3) {
1189                /* Prepare values */
1190                ghz5 = b43_phy_read(dev, B43_NPHY_BANDCTL)
1191                        & B43_NPHY_BANDCTL_5GHZ;
1192                ext_lna = sprom->boardflags_lo & B43_BFL_EXTLNA;
1193                e = b43_nphy_get_gain_ctl_workaround_ent(dev, ghz5, ext_lna);
1194                if (ghz5 && dev->phy.rev >= 5)
1195                        rssi_gain = 0x90;
1196                else
1197                        rssi_gain = 0x50;
1198
1199                b43_phy_set(dev, B43_NPHY_RXCTL, 0x0040);
1200
1201                /* Set Clip 2 detect */
1202                b43_phy_set(dev, B43_NPHY_C1_CGAINI,
1203                                B43_NPHY_C1_CGAINI_CL2DETECT);
1204                b43_phy_set(dev, B43_NPHY_C2_CGAINI,
1205                                B43_NPHY_C2_CGAINI_CL2DETECT);
1206
1207                b43_radio_write(dev, B2056_RX0 | B2056_RX_BIASPOLE_LNAG1_IDAC,
1208                                0x17);
1209                b43_radio_write(dev, B2056_RX1 | B2056_RX_BIASPOLE_LNAG1_IDAC,
1210                                0x17);
1211                b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAG2_IDAC, 0xF0);
1212                b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAG2_IDAC, 0xF0);
1213                b43_radio_write(dev, B2056_RX0 | B2056_RX_RSSI_POLE, 0x00);
1214                b43_radio_write(dev, B2056_RX1 | B2056_RX_RSSI_POLE, 0x00);
1215                b43_radio_write(dev, B2056_RX0 | B2056_RX_RSSI_GAIN,
1216                                rssi_gain);
1217                b43_radio_write(dev, B2056_RX1 | B2056_RX_RSSI_GAIN,
1218                                rssi_gain);
1219                b43_radio_write(dev, B2056_RX0 | B2056_RX_BIASPOLE_LNAA1_IDAC,
1220                                0x17);
1221                b43_radio_write(dev, B2056_RX1 | B2056_RX_BIASPOLE_LNAA1_IDAC,
1222                                0x17);
1223                b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAA2_IDAC, 0xFF);
1224                b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAA2_IDAC, 0xFF);
1225
1226                b43_ntab_write_bulk(dev, B43_NTAB8(0, 8), 4, e->lna1_gain);
1227                b43_ntab_write_bulk(dev, B43_NTAB8(1, 8), 4, e->lna1_gain);
1228                b43_ntab_write_bulk(dev, B43_NTAB8(0, 16), 4, e->lna2_gain);
1229                b43_ntab_write_bulk(dev, B43_NTAB8(1, 16), 4, e->lna2_gain);
1230                b43_ntab_write_bulk(dev, B43_NTAB8(0, 32), 10, e->gain_db);
1231                b43_ntab_write_bulk(dev, B43_NTAB8(1, 32), 10, e->gain_db);
1232                b43_ntab_write_bulk(dev, B43_NTAB8(2, 32), 10, e->gain_bits);
1233                b43_ntab_write_bulk(dev, B43_NTAB8(3, 32), 10, e->gain_bits);
1234                b43_ntab_write_bulk(dev, B43_NTAB8(0, 0x40), 6, lpf_gain);
1235                b43_ntab_write_bulk(dev, B43_NTAB8(1, 0x40), 6, lpf_gain);
1236                b43_ntab_write_bulk(dev, B43_NTAB8(2, 0x40), 6, lpf_bits);
1237                b43_ntab_write_bulk(dev, B43_NTAB8(3, 0x40), 6, lpf_bits);
1238
1239                b43_phy_write(dev, B43_NPHY_C1_INITGAIN, e->init_gain);
1240                b43_phy_write(dev, 0x2A7, e->init_gain);
1241                b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x106), 2,
1242                                        e->rfseq_init);
1243                b43_phy_write(dev, B43_NPHY_C1_INITGAIN, e->init_gain);
1244
1245                /* TODO: check defines. Do not match variables names */
1246                b43_phy_write(dev, B43_NPHY_C1_CLIP1_MEDGAIN, e->cliphi_gain);
1247                b43_phy_write(dev, 0x2A9, e->cliphi_gain);
1248                b43_phy_write(dev, B43_NPHY_C1_CLIP2_GAIN, e->clipmd_gain);
1249                b43_phy_write(dev, 0x2AB, e->clipmd_gain);
1250                b43_phy_write(dev, B43_NPHY_C2_CLIP1_HIGAIN, e->cliplo_gain);
1251                b43_phy_write(dev, 0x2AD, e->cliplo_gain);
1252
1253                b43_phy_maskset(dev, 0x27D, 0xFF00, e->crsmin);
1254                b43_phy_maskset(dev, 0x280, 0xFF00, e->crsminl);
1255                b43_phy_maskset(dev, 0x283, 0xFF00, e->crsminu);
1256                b43_phy_write(dev, B43_NPHY_C1_NBCLIPTHRES, e->nbclip);
1257                b43_phy_write(dev, B43_NPHY_C2_NBCLIPTHRES, e->nbclip);
1258                b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES,
1259                                ~B43_NPHY_C1_CLIPWBTHRES_CLIP2, e->wlclip);
1260                b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES,
1261                                ~B43_NPHY_C2_CLIPWBTHRES_CLIP2, e->wlclip);
1262                b43_phy_write(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C);
1263        } else {
1264                /* Set Clip 2 detect */
1265                b43_phy_set(dev, B43_NPHY_C1_CGAINI,
1266                                B43_NPHY_C1_CGAINI_CL2DETECT);
1267                b43_phy_set(dev, B43_NPHY_C2_CGAINI,
1268                                B43_NPHY_C2_CGAINI_CL2DETECT);
1269
1270                /* Set narrowband clip threshold */
1271                b43_phy_write(dev, B43_NPHY_C1_NBCLIPTHRES, 0x84);
1272                b43_phy_write(dev, B43_NPHY_C2_NBCLIPTHRES, 0x84);
1273
1274                if (!dev->phy.is_40mhz) {
1275                        /* Set dwell lengths */
1276                        b43_phy_write(dev, B43_NPHY_CLIP1_NBDWELL_LEN, 0x002B);
1277                        b43_phy_write(dev, B43_NPHY_CLIP2_NBDWELL_LEN, 0x002B);
1278                        b43_phy_write(dev, B43_NPHY_W1CLIP1_DWELL_LEN, 0x0009);
1279                        b43_phy_write(dev, B43_NPHY_W1CLIP2_DWELL_LEN, 0x0009);
1280                }
1281
1282                /* Set wideband clip 2 threshold */
1283                b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES,
1284                                ~B43_NPHY_C1_CLIPWBTHRES_CLIP2,
1285                                21);
1286                b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES,
1287                                ~B43_NPHY_C2_CLIPWBTHRES_CLIP2,
1288                                21);
1289
1290                if (!dev->phy.is_40mhz) {
1291                        b43_phy_maskset(dev, B43_NPHY_C1_CGAINI,
1292                                ~B43_NPHY_C1_CGAINI_GAINBKOFF, 0x1);
1293                        b43_phy_maskset(dev, B43_NPHY_C2_CGAINI,
1294                                ~B43_NPHY_C2_CGAINI_GAINBKOFF, 0x1);
1295                        b43_phy_maskset(dev, B43_NPHY_C1_CCK_CGAINI,
1296                                ~B43_NPHY_C1_CCK_CGAINI_GAINBKOFF, 0x1);
1297                        b43_phy_maskset(dev, B43_NPHY_C2_CCK_CGAINI,
1298                                ~B43_NPHY_C2_CCK_CGAINI_GAINBKOFF, 0x1);
1299                }
1300
1301                b43_phy_write(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C);
1302
1303                if (nphy->gain_boost) {
1304                        if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ &&
1305                            dev->phy.is_40mhz)
1306                                code = 4;
1307                        else
1308                                code = 5;
1309                } else {
1310                        code = dev->phy.is_40mhz ? 6 : 7;
1311                }
1312
1313                /* Set HPVGA2 index */
1314                b43_phy_maskset(dev, B43_NPHY_C1_INITGAIN,
1315                                ~B43_NPHY_C1_INITGAIN_HPVGA2,
1316                                code << B43_NPHY_C1_INITGAIN_HPVGA2_SHIFT);
1317                b43_phy_maskset(dev, B43_NPHY_C2_INITGAIN,
1318                                ~B43_NPHY_C2_INITGAIN_HPVGA2,
1319                                code << B43_NPHY_C2_INITGAIN_HPVGA2_SHIFT);
1320
1321                b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
1322                /* specs say about 2 loops, but wl does 4 */
1323                for (i = 0; i < 4; i++)
1324                        b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
1325                                                        (code << 8 | 0x7C));
1326
1327                b43_nphy_adjust_lna_gain_table(dev);
1328
1329                if (nphy->elna_gain_config) {
1330                        b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0808);
1331                        b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
1332                        b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
1333                        b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
1334                        b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
1335
1336                        b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0C08);
1337                        b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
1338                        b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
1339                        b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
1340                        b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
1341
1342                        b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
1343                        /* specs say about 2 loops, but wl does 4 */
1344                        for (i = 0; i < 4; i++)
1345                                b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
1346                                                        (code << 8 | 0x74));
1347                }
1348
1349                if (dev->phy.rev == 2) {
1350                        for (i = 0; i < 4; i++) {
1351                                b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
1352                                                (0x0400 * i) + 0x0020);
1353                                for (j = 0; j < 21; j++) {
1354                                        tmp = j * (i < 2 ? 3 : 1);
1355                                        b43_phy_write(dev,
1356                                                B43_NPHY_TABLE_DATALO, tmp);
1357                                }
1358                        }
1359                }
1360
1361                b43_nphy_set_rf_sequence(dev, 5,
1362                                rfseq_events, rfseq_delays, 3);
1363                b43_phy_maskset(dev, B43_NPHY_OVER_DGAIN1,
1364                        ~B43_NPHY_OVER_DGAIN_CCKDGECV & 0xFFFF,
1365                        0x5A << B43_NPHY_OVER_DGAIN_CCKDGECV_SHIFT);
1366
1367                if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
1368                        b43_phy_maskset(dev, B43_PHY_N(0xC5D),
1369                                        0xFF80, 4);
1370        }
1371}
1372
1373/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Workarounds */
1374static void b43_nphy_workarounds(struct b43_wldev *dev)
1375{
1376        struct ssb_bus *bus = dev->dev->bus;
1377        struct b43_phy *phy = &dev->phy;
1378        struct b43_phy_n *nphy = phy->n;
1379
1380        u8 events1[7] = { 0x0, 0x1, 0x2, 0x8, 0x4, 0x5, 0x3 };
1381        u8 delays1[7] = { 0x8, 0x6, 0x6, 0x2, 0x4, 0x3C, 0x1 };
1382
1383        u8 events2[7] = { 0x0, 0x3, 0x5, 0x4, 0x2, 0x1, 0x8 };
1384        u8 delays2[7] = { 0x8, 0x6, 0x2, 0x4, 0x4, 0x6, 0x1 };
1385
1386        u16 tmp16;
1387        u32 tmp32;
1388
1389        if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
1390                b43_nphy_classifier(dev, 1, 0);
1391        else
1392                b43_nphy_classifier(dev, 1, 1);
1393
1394        if (nphy->hang_avoid)
1395                b43_nphy_stay_in_carrier_search(dev, 1);
1396
1397        b43_phy_set(dev, B43_NPHY_IQFLIP,
1398                    B43_NPHY_IQFLIP_ADC1 | B43_NPHY_IQFLIP_ADC2);
1399
1400        if (dev->phy.rev >= 3) {
1401                tmp32 = b43_ntab_read(dev, B43_NTAB32(30, 0));
1402                tmp32 &= 0xffffff;
1403                b43_ntab_write(dev, B43_NTAB32(30, 0), tmp32);
1404
1405                b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x0125);
1406                b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x01B3);
1407                b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x0105);
1408                b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x016E);
1409                b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0x00CD);
1410                b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x0020);
1411
1412                b43_phy_write(dev, B43_NPHY_C2_CLIP1_MEDGAIN, 0x000C);
1413                b43_phy_write(dev, 0x2AE, 0x000C);
1414
1415                /* TODO */
1416
1417                tmp16 = (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) ?
1418                        0x2 : 0x9C40;
1419                b43_phy_write(dev, B43_NPHY_ENDROP_TLEN, tmp16);
1420
1421                b43_phy_maskset(dev, 0x294, 0xF0FF, 0x0700);
1422
1423                b43_ntab_write(dev, B43_NTAB32(16, 3), 0x18D);
1424                b43_ntab_write(dev, B43_NTAB32(16, 127), 0x18D);
1425
1426                b43_nphy_gain_ctrl_workarounds(dev);
1427
1428                b43_ntab_write(dev, B43_NTAB32(8, 0), 2);
1429                b43_ntab_write(dev, B43_NTAB32(8, 16), 2);
1430
1431                /* TODO */
1432
1433                b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_MAST_BIAS, 0x00);
1434                b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_MAST_BIAS, 0x00);
1435                b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_MAIN, 0x06);
1436                b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_MAIN, 0x06);
1437                b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_AUX, 0x07);
1438                b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_AUX, 0x07);
1439                b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_LOB_BIAS, 0x88);
1440                b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_LOB_BIAS, 0x88);
1441                b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXG_CMFB_IDAC, 0x00);
1442                b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXG_CMFB_IDAC, 0x00);
1443
1444                /* N PHY WAR TX Chain Update with hw_phytxchain as argument */
1445
1446                if ((bus->sprom.boardflags2_lo & B43_BFL2_APLL_WAR &&
1447                    b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ||
1448                    (bus->sprom.boardflags2_lo & B43_BFL2_GPLL_WAR &&
1449                    b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ))
1450                        tmp32 = 0x00088888;
1451                else
1452                        tmp32 = 0x88888888;
1453                b43_ntab_write(dev, B43_NTAB32(30, 1), tmp32);
1454                b43_ntab_write(dev, B43_NTAB32(30, 2), tmp32);
1455                b43_ntab_write(dev, B43_NTAB32(30, 3), tmp32);
1456
1457                if (dev->phy.rev == 4 &&
1458                    b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
1459                        b43_radio_write(dev, B2056_TX0 | B2056_TX_GMBB_IDAC,
1460                                        0x70);
1461                        b43_radio_write(dev, B2056_TX1 | B2056_TX_GMBB_IDAC,
1462                                        0x70);
1463                }
1464
1465                b43_phy_write(dev, 0x224, 0x039C);
1466                b43_phy_write(dev, 0x225, 0x0357);
1467                b43_phy_write(dev, 0x226, 0x0317);
1468                b43_phy_write(dev, 0x227, 0x02D7);
1469                b43_phy_write(dev, 0x228, 0x039C);
1470                b43_phy_write(dev, 0x229, 0x0357);
1471                b43_phy_write(dev, 0x22A, 0x0317);
1472                b43_phy_write(dev, 0x22B, 0x02D7);
1473                b43_phy_write(dev, 0x22C, 0x039C);
1474                b43_phy_write(dev, 0x22D, 0x0357);
1475                b43_phy_write(dev, 0x22E, 0x0317);
1476                b43_phy_write(dev, 0x22F, 0x02D7);
1477        } else {
1478                if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ &&
1479                    nphy->band5g_pwrgain) {
1480                        b43_radio_mask(dev, B2055_C1_TX_RF_SPARE, ~0x8);
1481                        b43_radio_mask(dev, B2055_C2_TX_RF_SPARE, ~0x8);
1482                } else {
1483                        b43_radio_set(dev, B2055_C1_TX_RF_SPARE, 0x8);
1484                        b43_radio_set(dev, B2055_C2_TX_RF_SPARE, 0x8);
1485                }
1486
1487                b43_ntab_write(dev, B43_NTAB16(8, 0x00), 0x000A);
1488                b43_ntab_write(dev, B43_NTAB16(8, 0x10), 0x000A);
1489                b43_ntab_write(dev, B43_NTAB16(8, 0x02), 0xCDAA);
1490                b43_ntab_write(dev, B43_NTAB16(8, 0x12), 0xCDAA);
1491
1492                if (dev->phy.rev < 2) {
1493                        b43_ntab_write(dev, B43_NTAB16(8, 0x08), 0x0000);
1494                        b43_ntab_write(dev, B43_NTAB16(8, 0x18), 0x0000);
1495                        b43_ntab_write(dev, B43_NTAB16(8, 0x07), 0x7AAB);
1496                        b43_ntab_write(dev, B43_NTAB16(8, 0x17), 0x7AAB);
1497                        b43_ntab_write(dev, B43_NTAB16(8, 0x06), 0x0800);
1498                        b43_ntab_write(dev, B43_NTAB16(8, 0x16), 0x0800);
1499                }
1500
1501                b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
1502                b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
1503                b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
1504                b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
1505
1506                if (bus->sprom.boardflags2_lo & 0x100 &&
1507                    bus->boardinfo.type == 0x8B) {
1508                        delays1[0] = 0x1;
1509                        delays1[5] = 0x14;
1510                }
1511                b43_nphy_set_rf_sequence(dev, 0, events1, delays1, 7);
1512                b43_nphy_set_rf_sequence(dev, 1, events2, delays2, 7);
1513
1514                b43_nphy_gain_ctrl_workarounds(dev);
1515
1516                if (dev->phy.rev < 2) {
1517                        if (b43_phy_read(dev, B43_NPHY_RXCTL) & 0x2)
1518                                b43_hf_write(dev, b43_hf_read(dev) |
1519                                                B43_HF_MLADVW);
1520                } else if (dev->phy.rev == 2) {
1521                        b43_phy_write(dev, B43_NPHY_CRSCHECK2, 0);
1522                        b43_phy_write(dev, B43_NPHY_CRSCHECK3, 0);
1523                }
1524
1525                if (dev->phy.rev < 2)
1526                        b43_phy_mask(dev, B43_NPHY_SCRAM_SIGCTL,
1527                                        ~B43_NPHY_SCRAM_SIGCTL_SCM);
1528
1529                /* Set phase track alpha and beta */
1530                b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x125);
1531                b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x1B3);
1532                b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x105);
1533                b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x16E);
1534                b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0xCD);
1535                b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x20);
1536
1537                b43_phy_mask(dev, B43_NPHY_PIL_DW1,
1538                                ~B43_NPHY_PIL_DW_64QAM & 0xFFFF);
1539                b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B1, 0xB5);
1540                b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B2, 0xA4);
1541                b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B3, 0x00);
1542
1543                if (dev->phy.rev == 2)
1544                        b43_phy_set(dev, B43_NPHY_FINERX2_CGC,
1545                                        B43_NPHY_FINERX2_CGC_DECGC);
1546        }
1547
1548        if (nphy->hang_avoid)
1549                b43_nphy_stay_in_carrier_search(dev, 0);
1550}
1551
1552/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/LoadSampleTable */
1553static int b43_nphy_load_samples(struct b43_wldev *dev,
1554                                        struct b43_c32 *samples, u16 len) {
1555        struct b43_phy_n *nphy = dev->phy.n;
1556        u16 i;
1557        u32 *data;
1558
1559        data = kzalloc(len * sizeof(u32), GFP_KERNEL);
1560        if (!data) {
1561                b43err(dev->wl, "allocation for samples loading failed\n");
1562                return -ENOMEM;
1563        }
1564        if (nphy->hang_avoid)
1565                b43_nphy_stay_in_carrier_search(dev, 1);
1566
1567        for (i = 0; i < len; i++) {
1568                data[i] = (samples[i].i & 0x3FF << 10);
1569                data[i] |= samples[i].q & 0x3FF;
1570        }
1571        b43_ntab_write_bulk(dev, B43_NTAB32(17, 0), len, data);
1572
1573        kfree(data);
1574        if (nphy->hang_avoid)
1575                b43_nphy_stay_in_carrier_search(dev, 0);
1576        return 0;
1577}
1578
1579/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GenLoadSamples */
1580static u16 b43_nphy_gen_load_samples(struct b43_wldev *dev, u32 freq, u16 max,
1581                                        bool test)
1582{
1583        int i;
1584        u16 bw, len, rot, angle;
1585        struct b43_c32 *samples;
1586
1587
1588        bw = (dev->phy.is_40mhz) ? 40 : 20;
1589        len = bw << 3;
1590
1591        if (test) {
1592                if (b43_phy_read(dev, B43_NPHY_BBCFG) & B43_NPHY_BBCFG_RSTRX)
1593                        bw = 82;
1594                else
1595                        bw = 80;
1596
1597                if (dev->phy.is_40mhz)
1598                        bw <<= 1;
1599
1600                len = bw << 1;
1601        }
1602
1603        samples = kcalloc(len, sizeof(struct b43_c32), GFP_KERNEL);
1604        if (!samples) {
1605                b43err(dev->wl, "allocation for samples generation failed\n");
1606                return 0;
1607        }
1608        rot = (((freq * 36) / bw) << 16) / 100;
1609        angle = 0;
1610
1611        for (i = 0; i < len; i++) {
1612                samples[i] = b43_cordic(angle);
1613                angle += rot;
1614                samples[i].q = CORDIC_CONVERT(samples[i].q * max);
1615                samples[i].i = CORDIC_CONVERT(samples[i].i * max);
1616        }
1617
1618        i = b43_nphy_load_samples(dev, samples, len);
1619        kfree(samples);
1620        return (i < 0) ? 0 : len;
1621}
1622
1623/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RunSamples */
1624static void b43_nphy_run_samples(struct b43_wldev *dev, u16 samps, u16 loops,
1625                                        u16 wait, bool iqmode, bool dac_test)
1626{
1627        struct b43_phy_n *nphy = dev->phy.n;
1628        int i;
1629        u16 seq_mode;
1630        u32 tmp;
1631
1632        if (nphy->hang_avoid)
1633                b43_nphy_stay_in_carrier_search(dev, true);
1634
1635        if ((nphy->bb_mult_save & 0x80000000) == 0) {
1636                tmp = b43_ntab_read(dev, B43_NTAB16(15, 87));
1637                nphy->bb_mult_save = (tmp & 0xFFFF) | 0x80000000;
1638        }
1639
1640        if (!dev->phy.is_40mhz)
1641                tmp = 0x6464;
1642        else
1643                tmp = 0x4747;
1644        b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
1645
1646        if (nphy->hang_avoid)
1647                b43_nphy_stay_in_carrier_search(dev, false);
1648
1649        b43_phy_write(dev, B43_NPHY_SAMP_DEPCNT, (samps - 1));
1650
1651        if (loops != 0xFFFF)
1652                b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, (loops - 1));
1653        else
1654                b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, loops);
1655
1656        b43_phy_write(dev, B43_NPHY_SAMP_WAITCNT, wait);
1657
1658        seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
1659
1660        b43_phy_set(dev, B43_NPHY_RFSEQMODE, B43_NPHY_RFSEQMODE_CAOVER);
1661        if (iqmode) {
1662                b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
1663                b43_phy_set(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8000);
1664        } else {
1665                if (dac_test)
1666                        b43_phy_write(dev, B43_NPHY_SAMP_CMD, 5);
1667                else
1668                        b43_phy_write(dev, B43_NPHY_SAMP_CMD, 1);
1669        }
1670        for (i = 0; i < 100; i++) {
1671                if (b43_phy_read(dev, B43_NPHY_RFSEQST) & 1) {
1672                        i = 0;
1673                        break;
1674                }
1675                udelay(10);
1676        }
1677        if (i)
1678                b43err(dev->wl, "run samples timeout\n");
1679
1680        b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
1681}
1682
1683/*
1684 * Transmits a known value for LO calibration
1685 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TXTone
1686 */
1687static int b43_nphy_tx_tone(struct b43_wldev *dev, u32 freq, u16 max_val,
1688                                bool iqmode, bool dac_test)
1689{
1690        u16 samp = b43_nphy_gen_load_samples(dev, freq, max_val, dac_test);
1691        if (samp == 0)
1692                return -1;
1693        b43_nphy_run_samples(dev, samp, 0xFFFF, 0, iqmode, dac_test);
1694        return 0;
1695}
1696
1697/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlCoefSetup */
1698static void b43_nphy_tx_pwr_ctrl_coef_setup(struct b43_wldev *dev)
1699{
1700        struct b43_phy_n *nphy = dev->phy.n;
1701        int i, j;
1702        u32 tmp;
1703        u32 cur_real, cur_imag, real_part, imag_part;
1704
1705        u16 buffer[7];
1706
1707        if (nphy->hang_avoid)
1708                b43_nphy_stay_in_carrier_search(dev, true);
1709
1710        b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
1711
1712        for (i = 0; i < 2; i++) {
1713                tmp = ((buffer[i * 2] & 0x3FF) << 10) |
1714                        (buffer[i * 2 + 1] & 0x3FF);
1715                b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
1716                                (((i + 26) << 10) | 320));
1717                for (j = 0; j < 128; j++) {
1718                        b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
1719                                        ((tmp >> 16) & 0xFFFF));
1720                        b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
1721                                        (tmp & 0xFFFF));
1722                }
1723        }
1724
1725        for (i = 0; i < 2; i++) {
1726                tmp = buffer[5 + i];
1727                real_part = (tmp >> 8) & 0xFF;
1728                imag_part = (tmp & 0xFF);
1729                b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
1730                                (((i + 26) << 10) | 448));
1731
1732                if (dev->phy.rev >= 3) {
1733                        cur_real = real_part;
1734                        cur_imag = imag_part;
1735                        tmp = ((cur_real & 0xFF) << 8) | (cur_imag & 0xFF);
1736                }
1737
1738                for (j = 0; j < 128; j++) {
1739                        if (dev->phy.rev < 3) {
1740                                cur_real = (real_part * loscale[j] + 128) >> 8;
1741                                cur_imag = (imag_part * loscale[j] + 128) >> 8;
1742                                tmp = ((cur_real & 0xFF) << 8) |
1743                                        (cur_imag & 0xFF);
1744                        }
1745                        b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
1746                                        ((tmp >> 16) & 0xFFFF));
1747                        b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
1748                                        (tmp & 0xFFFF));
1749                }
1750        }
1751
1752        if (dev->phy.rev >= 3) {
1753                b43_shm_write16(dev, B43_SHM_SHARED,
1754                                B43_SHM_SH_NPHY_TXPWR_INDX0, 0xFFFF);
1755                b43_shm_write16(dev, B43_SHM_SHARED,
1756                                B43_SHM_SH_NPHY_TXPWR_INDX1, 0xFFFF);
1757        }
1758
1759        if (nphy->hang_avoid)
1760                b43_nphy_stay_in_carrier_search(dev, false);
1761}
1762
1763/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRfSeq */
1764static void b43_nphy_set_rf_sequence(struct b43_wldev *dev, u8 cmd,
1765                                        u8 *events, u8 *delays, u8 length)
1766{
1767        struct b43_phy_n *nphy = dev->phy.n;
1768        u8 i;
1769        u8 end = (dev->phy.rev >= 3) ? 0x1F : 0x0F;
1770        u16 offset1 = cmd << 4;
1771        u16 offset2 = offset1 + 0x80;
1772
1773        if (nphy->hang_avoid)
1774                b43_nphy_stay_in_carrier_search(dev, true);
1775
1776        b43_ntab_write_bulk(dev, B43_NTAB8(7, offset1), length, events);
1777        b43_ntab_write_bulk(dev, B43_NTAB8(7, offset2), length, delays);
1778
1779        for (i = length; i < 16; i++) {
1780                b43_ntab_write(dev, B43_NTAB8(7, offset1 + i), end);
1781                b43_ntab_write(dev, B43_NTAB8(7, offset2 + i), 1);
1782        }
1783
1784        if (nphy->hang_avoid)
1785                b43_nphy_stay_in_carrier_search(dev, false);
1786}
1787
1788/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ForceRFSeq */
1789static void b43_nphy_force_rf_sequence(struct b43_wldev *dev,
1790                                       enum b43_nphy_rf_sequence seq)
1791{
1792        static const u16 trigger[] = {
1793                [B43_RFSEQ_RX2TX]               = B43_NPHY_RFSEQTR_RX2TX,
1794                [B43_RFSEQ_TX2RX]               = B43_NPHY_RFSEQTR_TX2RX,
1795                [B43_RFSEQ_RESET2RX]            = B43_NPHY_RFSEQTR_RST2RX,
1796                [B43_RFSEQ_UPDATE_GAINH]        = B43_NPHY_RFSEQTR_UPGH,
1797                [B43_RFSEQ_UPDATE_GAINL]        = B43_NPHY_RFSEQTR_UPGL,
1798                [B43_RFSEQ_UPDATE_GAINU]        = B43_NPHY_RFSEQTR_UPGU,
1799        };
1800        int i;
1801        u16 seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
1802
1803        B43_WARN_ON(seq >= ARRAY_SIZE(trigger));
1804
1805        b43_phy_set(dev, B43_NPHY_RFSEQMODE,
1806                    B43_NPHY_RFSEQMODE_CAOVER | B43_NPHY_RFSEQMODE_TROVER);
1807        b43_phy_set(dev, B43_NPHY_RFSEQTR, trigger[seq]);
1808        for (i = 0; i < 200; i++) {
1809                if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & trigger[seq]))
1810                        goto ok;
1811                msleep(1);
1812        }
1813        b43err(dev->wl, "RF sequence status timeout\n");
1814ok:
1815        b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
1816}
1817
1818/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlOverride */
1819static void b43_nphy_rf_control_override(struct b43_wldev *dev, u16 field,
1820                                                u16 value, u8 core, bool off)
1821{
1822        int i;
1823        u8 index = fls(field);
1824        u8 addr, en_addr, val_addr;
1825        /* we expect only one bit set */
1826        B43_WARN_ON(field & (~(1 << (index - 1))));
1827
1828        if (dev->phy.rev >= 3) {
1829                const struct nphy_rf_control_override_rev3 *rf_ctrl;
1830                for (i = 0; i < 2; i++) {
1831                        if (index == 0 || index == 16) {
1832                                b43err(dev->wl,
1833                                        "Unsupported RF Ctrl Override call\n");
1834                                return;
1835                        }
1836
1837                        rf_ctrl = &tbl_rf_control_override_rev3[index - 1];
1838                        en_addr = B43_PHY_N((i == 0) ?
1839                                rf_ctrl->en_addr0 : rf_ctrl->en_addr1);
1840                        val_addr = B43_PHY_N((i == 0) ?
1841                                rf_ctrl->val_addr0 : rf_ctrl->val_addr1);
1842
1843                        if (off) {
1844                                b43_phy_mask(dev, en_addr, ~(field));
1845                                b43_phy_mask(dev, val_addr,
1846                                                ~(rf_ctrl->val_mask));
1847                        } else {
1848                                if (core == 0 || ((1 << core) & i) != 0) {
1849                                        b43_phy_set(dev, en_addr, field);
1850                                        b43_phy_maskset(dev, val_addr,
1851                                                ~(rf_ctrl->val_mask),
1852                                                (value << rf_ctrl->val_shift));
1853                                }
1854                        }
1855                }
1856        } else {
1857                const struct nphy_rf_control_override_rev2 *rf_ctrl;
1858                if (off) {
1859                        b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~(field));
1860                        value = 0;
1861                } else {
1862                        b43_phy_set(dev, B43_NPHY_RFCTL_OVER, field);
1863                }
1864
1865                for (i = 0; i < 2; i++) {
1866                        if (index <= 1 || index == 16) {
1867                                b43err(dev->wl,
1868                                        "Unsupported RF Ctrl Override call\n");
1869                                return;
1870                        }
1871
1872                        if (index == 2 || index == 10 ||
1873                            (index >= 13 && index <= 15)) {
1874                                core = 1;
1875                        }
1876
1877                        rf_ctrl = &tbl_rf_control_override_rev2[index - 2];
1878                        addr = B43_PHY_N((i == 0) ?
1879                                rf_ctrl->addr0 : rf_ctrl->addr1);
1880
1881                        if ((core & (1 << i)) != 0)
1882                                b43_phy_maskset(dev, addr, ~(rf_ctrl->bmask),
1883                                                (value << rf_ctrl->shift));
1884
1885                        b43_phy_set(dev, B43_NPHY_RFCTL_OVER, 0x1);
1886                        b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
1887                                        B43_NPHY_RFCTL_CMD_START);
1888                        udelay(1);
1889                        b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, 0xFFFE);
1890                }
1891        }
1892}
1893
1894/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlIntcOverride */
1895static void b43_nphy_rf_control_intc_override(struct b43_wldev *dev, u8 field,
1896                                                u16 value, u8 core)
1897{
1898        u8 i, j;
1899        u16 reg, tmp, val;
1900
1901        B43_WARN_ON(dev->phy.rev < 3);
1902        B43_WARN_ON(field > 4);
1903
1904        for (i = 0; i < 2; i++) {
1905                if ((core == 1 && i == 1) || (core == 2 && !i))
1906                        continue;
1907
1908                reg = (i == 0) ?
1909                        B43_NPHY_RFCTL_INTC1 : B43_NPHY_RFCTL_INTC2;
1910                b43_phy_mask(dev, reg, 0xFBFF);
1911
1912                switch (field) {
1913                case 0:
1914                        b43_phy_write(dev, reg, 0);
1915                        b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
1916                        break;
1917                case 1:
1918                        if (!i) {
1919                                b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC1,
1920                                                0xFC3F, (value << 6));
1921                                b43_phy_maskset(dev, B43_NPHY_TXF_40CO_B1S1,
1922                                                0xFFFE, 1);
1923                                b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
1924                                                B43_NPHY_RFCTL_CMD_START);
1925                                for (j = 0; j < 100; j++) {
1926                                        if (b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_START) {
1927                                                j = 0;
1928                                                break;
1929                                        }
1930                                        udelay(10);
1931                                }
1932                                if (j)
1933                                        b43err(dev->wl,
1934                                                "intc override timeout\n");
1935                                b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1,
1936                                                0xFFFE);
1937                        } else {
1938                                b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC2,
1939                                                0xFC3F, (value << 6));
1940                                b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER,
1941                                                0xFFFE, 1);
1942                                b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
1943                                                B43_NPHY_RFCTL_CMD_RXTX);
1944                                for (j = 0; j < 100; j++) {
1945                                        if (b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_RXTX) {
1946                                                j = 0;
1947                                                break;
1948                                        }
1949                                        udelay(10);
1950                                }
1951                                if (j)
1952                                        b43err(dev->wl,
1953                                                "intc override timeout\n");
1954                                b43_phy_mask(dev, B43_NPHY_RFCTL_OVER,
1955                                                0xFFFE);
1956                        }
1957                        break;
1958                case 2:
1959                        if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
1960                                tmp = 0x0020;
1961                                val = value << 5;
1962                        } else {
1963                                tmp = 0x0010;
1964                                val = value << 4;
1965                        }
1966                        b43_phy_maskset(dev, reg, ~tmp, val);
1967                        break;
1968                case 3:
1969                        if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
1970                                tmp = 0x0001;
1971                                val = value;
1972                        } else {
1973                                tmp = 0x0004;
1974                                val = value << 2;
1975                        }
1976                        b43_phy_maskset(dev, reg, ~tmp, val);
1977                        break;
1978                case 4:
1979                        if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
1980                                tmp = 0x0002;
1981                                val = value << 1;
1982                        } else {
1983                                tmp = 0x0008;
1984                                val = value << 3;
1985                        }
1986                        b43_phy_maskset(dev, reg, ~tmp, val);
1987                        break;
1988                }
1989        }
1990}
1991
1992/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BPHYInit */
1993static void b43_nphy_bphy_init(struct b43_wldev *dev)
1994{
1995        unsigned int i;
1996        u16 val;
1997
1998        val = 0x1E1F;
1999        for (i = 0; i < 16; i++) {
2000                b43_phy_write(dev, B43_PHY_N_BMODE(0x88 + i), val);
2001                val -= 0x202;
2002        }
2003        val = 0x3E3F;
2004        for (i = 0; i < 16; i++) {
2005                b43_phy_write(dev, B43_PHY_N_BMODE(0x98 + i), val);
2006                val -= 0x202;
2007        }
2008        b43_phy_write(dev, B43_PHY_N_BMODE(0x38), 0x668);
2009}
2010
2011/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ScaleOffsetRssi */
2012static void b43_nphy_scale_offset_rssi(struct b43_wldev *dev, u16 scale,
2013                                        s8 offset, u8 core, u8 rail,
2014                                        enum b43_nphy_rssi_type type)
2015{
2016        u16 tmp;
2017        bool core1or5 = (core == 1) || (core == 5);
2018        bool core2or5 = (core == 2) || (core == 5);
2019
2020        offset = clamp_val(offset, -32, 31);
2021        tmp = ((scale & 0x3F) << 8) | (offset & 0x3F);
2022
2023        if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_Z))
2024                b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, tmp);
2025        if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_Z))
2026                b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, tmp);
2027        if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_Z))
2028                b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, tmp);
2029        if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_Z))
2030                b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, tmp);
2031
2032        if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_X))
2033                b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, tmp);
2034        if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_X))
2035                b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, tmp);
2036        if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_X))
2037                b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, tmp);
2038        if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_X))
2039                b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, tmp);
2040
2041        if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_Y))
2042                b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, tmp);
2043        if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_Y))
2044                b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, tmp);
2045        if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_Y))
2046                b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, tmp);
2047        if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_Y))
2048                b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, tmp);
2049
2050        if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_TBD))
2051                b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TBD, tmp);
2052        if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_TBD))
2053                b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TBD, tmp);
2054        if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_TBD))
2055                b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TBD, tmp);
2056        if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_TBD))
2057                b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TBD, tmp);
2058
2059        if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_PWRDET))
2060                b43_phy_write(dev, B43_NPHY_RSSIMC_0I_PWRDET, tmp);
2061        if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_PWRDET))
2062                b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_PWRDET, tmp);
2063        if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_PWRDET))
2064                b43_phy_write(dev, B43_NPHY_RSSIMC_1I_PWRDET, tmp);
2065        if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_PWRDET))
2066                b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_PWRDET, tmp);
2067
2068        if (core1or5 && (type == B43_NPHY_RSSI_TSSI_I))
2069                b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TSSI, tmp);
2070        if (core2or5 && (type == B43_NPHY_RSSI_TSSI_I))
2071                b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TSSI, tmp);
2072
2073        if (core1or5 && (type == B43_NPHY_RSSI_TSSI_Q))
2074                b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TSSI, tmp);
2075        if (core2or5 && (type == B43_NPHY_RSSI_TSSI_Q))
2076                b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TSSI, tmp);
2077}
2078
2079static void b43_nphy_rev2_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
2080{
2081        u16 val;
2082
2083        if (type < 3)
2084                val = 0;
2085        else if (type == 6)
2086                val = 1;
2087        else if (type == 3)
2088                val = 2;
2089        else
2090                val = 3;
2091
2092        val = (val << 12) | (val << 14);
2093        b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, val);
2094        b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, val);
2095
2096        if (type < 3) {
2097                b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO1, 0xFFCF,
2098                                (type + 1) << 4);
2099                b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO2, 0xFFCF,
2100                                (type + 1) << 4);
2101        }
2102
2103        if (code == 0) {
2104                b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x3000);
2105                if (type < 3) {
2106                        b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
2107                                ~(B43_NPHY_RFCTL_CMD_RXEN |
2108                                  B43_NPHY_RFCTL_CMD_CORESEL));
2109                        b43_phy_mask(dev, B43_NPHY_RFCTL_OVER,
2110                                ~(0x1 << 12 |
2111                                  0x1 << 5 |
2112                                  0x1 << 1 |
2113                                  0x1));
2114                        b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
2115                                ~B43_NPHY_RFCTL_CMD_START);
2116                        udelay(20);
2117                        b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1);
2118                }
2119        } else {
2120                b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x3000);
2121                if (type < 3) {
2122                        b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD,
2123                                ~(B43_NPHY_RFCTL_CMD_RXEN |
2124                                  B43_NPHY_RFCTL_CMD_CORESEL),
2125                                (B43_NPHY_RFCTL_CMD_RXEN |
2126                                 code << B43_NPHY_RFCTL_CMD_CORESEL_SHIFT));
2127                        b43_phy_set(dev, B43_NPHY_RFCTL_OVER,
2128                                (0x1 << 12 |
2129                                  0x1 << 5 |
2130                                  0x1 << 1 |
2131                                  0x1));
2132                        b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
2133                                B43_NPHY_RFCTL_CMD_START);
2134                        udelay(20);
2135                        b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1);
2136                }
2137        }
2138}
2139
2140static void b43_nphy_rev3_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
2141{
2142        struct b43_phy_n *nphy = dev->phy.n;
2143        u8 i;
2144        u16 reg, val;
2145
2146        if (code == 0) {
2147                b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, 0xFDFF);
2148                b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, 0xFDFF);
2149                b43_phy_mask(dev, B43_NPHY_AFECTL_C1, 0xFCFF);
2150                b43_phy_mask(dev, B43_NPHY_AFECTL_C2, 0xFCFF);
2151                b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S0, 0xFFDF);
2152                b43_phy_mask(dev, B43_NPHY_TXF_40CO_B32S1, 0xFFDF);
2153                b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0xFFC3);
2154                b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0xFFC3);
2155        } else {
2156                for (i = 0; i < 2; i++) {
2157                        if ((code == 1 && i == 1) || (code == 2 && !i))
2158                                continue;
2159
2160                        reg = (i == 0) ?
2161                                B43_NPHY_AFECTL_OVER1 : B43_NPHY_AFECTL_OVER;
2162                        b43_phy_maskset(dev, reg, 0xFDFF, 0x0200);
2163
2164                        if (type < 3) {
2165                                reg = (i == 0) ?
2166                                        B43_NPHY_AFECTL_C1 :
2167                                        B43_NPHY_AFECTL_C2;
2168                                b43_phy_maskset(dev, reg, 0xFCFF, 0);
2169
2170                                reg = (i == 0) ?
2171                                        B43_NPHY_RFCTL_LUT_TRSW_UP1 :
2172                                        B43_NPHY_RFCTL_LUT_TRSW_UP2;
2173                                b43_phy_maskset(dev, reg, 0xFFC3, 0);
2174
2175                                if (type == 0)
2176                                        val = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? 4 : 8;
2177                                else if (type == 1)
2178                                        val = 16;
2179                                else
2180                                        val = 32;
2181                                b43_phy_set(dev, reg, val);
2182
2183                                reg = (i == 0) ?
2184                                        B43_NPHY_TXF_40CO_B1S0 :
2185                                        B43_NPHY_TXF_40CO_B32S1;
2186                                b43_phy_set(dev, reg, 0x0020);
2187                        } else {
2188                                if (type == 6)
2189                                        val = 0x0100;
2190                                else if (type == 3)
2191                                        val = 0x0200;
2192                                else
2193                                        val = 0x0300;
2194
2195                                reg = (i == 0) ?
2196                                        B43_NPHY_AFECTL_C1 :
2197                                        B43_NPHY_AFECTL_C2;
2198
2199                                b43_phy_maskset(dev, reg, 0xFCFF, val);
2200                                b43_phy_maskset(dev, reg, 0xF3FF, val << 2);
2201
2202                                if (type != 3 && type != 6) {
2203                                        enum ieee80211_band band =
2204                                                b43_current_band(dev->wl);
2205
2206                                        if ((nphy->ipa2g_on &&
2207                                                band == IEEE80211_BAND_2GHZ) ||
2208                                                (nphy->ipa5g_on &&
2209                                                band == IEEE80211_BAND_5GHZ))
2210                                                val = (band == IEEE80211_BAND_5GHZ) ? 0xC : 0xE;
2211                                        else
2212                                                val = 0x11;
2213                                        reg = (i == 0) ? 0x2000 : 0x3000;
2214                                        reg |= B2055_PADDRV;
2215                                        b43_radio_write16(dev, reg, val);
2216
2217                                        reg = (i == 0) ?
2218                                                B43_NPHY_AFECTL_OVER1 :
2219                                                B43_NPHY_AFECTL_OVER;
2220                                        b43_phy_set(dev, reg, 0x0200);
2221                                }
2222                        }
2223                }
2224        }
2225}
2226
2227/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSISel */
2228static void b43_nphy_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
2229{
2230        if (dev->phy.rev >= 3)
2231                b43_nphy_rev3_rssi_select(dev, code, type);
2232        else
2233                b43_nphy_rev2_rssi_select(dev, code, type);
2234}
2235
2236/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRssi2055Vcm */
2237static void b43_nphy_set_rssi_2055_vcm(struct b43_wldev *dev, u8 type, u8 *buf)
2238{
2239        int i;
2240        for (i = 0; i < 2; i++) {
2241                if (type == 2) {
2242                        if (i == 0) {
2243                                b43_radio_maskset(dev, B2055_C1_B0NB_RSSIVCM,
2244                                                  0xFC, buf[0]);
2245                                b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
2246                                                  0xFC, buf[1]);
2247                        } else {
2248                                b43_radio_maskset(dev, B2055_C2_B0NB_RSSIVCM,
2249                                                  0xFC, buf[2 * i]);
2250                                b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
2251                                                  0xFC, buf[2 * i + 1]);
2252                        }
2253                } else {
2254                        if (i == 0)
2255                                b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
2256                                                  0xF3, buf[0] << 2);
2257                        else
2258                                b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
2259                                                  0xF3, buf[2 * i + 1] << 2);
2260                }
2261        }
2262}
2263
2264/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PollRssi */
2265static int b43_nphy_poll_rssi(struct b43_wldev *dev, u8 type, s32 *buf,
2266                                u8 nsamp)
2267{
2268        int i;
2269        int out;
2270        u16 save_regs_phy[9];
2271        u16 s[2];
2272
2273        if (dev->phy.rev >= 3) {
2274                save_regs_phy[0] = b43_phy_read(dev,
2275                                                B43_NPHY_RFCTL_LUT_TRSW_UP1);
2276                save_regs_phy[1] = b43_phy_read(dev,
2277                                                B43_NPHY_RFCTL_LUT_TRSW_UP2);
2278                save_regs_phy[2] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
2279                save_regs_phy[3] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
2280                save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
2281                save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
2282                save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S0);
2283                save_regs_phy[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B32S1);
2284        } else {
2285                save_regs_phy[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
2286                save_regs_phy[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
2287                save_regs_phy[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
2288                save_regs_phy[3] = b43_phy_read(dev, B43_NPHY_RFCTL_CMD);
2289                save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER);
2290                save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1);
2291                save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2);
2292        }
2293
2294        b43_nphy_rssi_select(dev, 5, type);
2295
2296        if (dev->phy.rev < 2) {
2297                save_regs_phy[8] = b43_phy_read(dev, B43_NPHY_GPIO_SEL);
2298                b43_phy_write(dev, B43_NPHY_GPIO_SEL, 5);
2299        }
2300
2301        for (i = 0; i < 4; i++)
2302                buf[i] = 0;
2303
2304        for (i = 0; i < nsamp; i++) {
2305                if (dev->phy.rev < 2) {
2306                        s[0] = b43_phy_read(dev, B43_NPHY_GPIO_LOOUT);
2307                        s[1] = b43_phy_read(dev, B43_NPHY_GPIO_HIOUT);
2308                } else {
2309                        s[0] = b43_phy_read(dev, B43_NPHY_RSSI1);
2310                        s[1] = b43_phy_read(dev, B43_NPHY_RSSI2);
2311                }
2312
2313                buf[0] += ((s8)((s[0] & 0x3F) << 2)) >> 2;
2314                buf[1] += ((s8)(((s[0] >> 8) & 0x3F) << 2)) >> 2;
2315                buf[2] += ((s8)((s[1] & 0x3F) << 2)) >> 2;
2316                buf[3] += ((s8)(((s[1] >> 8) & 0x3F) << 2)) >> 2;
2317        }
2318        out = (buf[0] & 0xFF) << 24 | (buf[1] & 0xFF) << 16 |
2319                (buf[2] & 0xFF) << 8 | (buf[3] & 0xFF);
2320
2321        if (dev->phy.rev < 2)
2322                b43_phy_write(dev, B43_NPHY_GPIO_SEL, save_regs_phy[8]);
2323
2324        if (dev->phy.rev >= 3) {
2325                b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1,
2326                                save_regs_phy[0]);
2327                b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2,
2328                                save_regs_phy[1]);
2329                b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[2]);
2330                b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[3]);
2331                b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, save_regs_phy[4]);
2332                b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[5]);
2333                b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, save_regs_phy[6]);
2334                b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, save_regs_phy[7]);
2335        } else {
2336                b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[0]);
2337                b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[1]);
2338                b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[2]);
2339                b43_phy_write(dev, B43_NPHY_RFCTL_CMD, save_regs_phy[3]);
2340                b43_phy_write(dev, B43_NPHY_RFCTL_OVER, save_regs_phy[4]);
2341                b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, save_regs_phy[5]);
2342                b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, save_regs_phy[6]);
2343        }
2344
2345        return out;
2346}
2347
2348/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal */
2349static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, u8 type)
2350{
2351        int i, j;
2352        u8 state[4];
2353        u8 code, val;
2354        u16 class, override;
2355        u8 regs_save_radio[2];
2356        u16 regs_save_phy[2];
2357
2358        s8 offset[4];
2359        u8 core;
2360        u8 rail;
2361
2362        u16 clip_state[2];
2363        u16 clip_off[2] = { 0xFFFF, 0xFFFF };
2364        s32 results_min[4] = { };
2365        u8 vcm_final[4] = { };
2366        s32 results[4][4] = { };
2367        s32 miniq[4][2] = { };
2368
2369        if (type == 2) {
2370                code = 0;
2371                val = 6;
2372        } else if (type < 2) {
2373                code = 25;
2374                val = 4;
2375        } else {
2376                B43_WARN_ON(1);
2377                return;
2378        }
2379
2380        class = b43_nphy_classifier(dev, 0, 0);
2381        b43_nphy_classifier(dev, 7, 4);
2382        b43_nphy_read_clip_detection(dev, clip_state);
2383        b43_nphy_write_clip_detection(dev, clip_off);
2384
2385        if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
2386                override = 0x140;
2387        else
2388                override = 0x110;
2389
2390        regs_save_phy[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
2391        regs_save_radio[0] = b43_radio_read16(dev, B2055_C1_PD_RXTX);
2392        b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, override);
2393        b43_radio_write16(dev, B2055_C1_PD_RXTX, val);
2394
2395        regs_save_phy[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
2396        regs_save_radio[1] = b43_radio_read16(dev, B2055_C2_PD_RXTX);
2397        b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, override);
2398        b43_radio_write16(dev, B2055_C2_PD_RXTX, val);
2399
2400        state[0] = b43_radio_read16(dev, B2055_C1_PD_RSSIMISC) & 0x07;
2401        state[1] = b43_radio_read16(dev, B2055_C2_PD_RSSIMISC) & 0x07;
2402        b43_radio_mask(dev, B2055_C1_PD_RSSIMISC, 0xF8);
2403        b43_radio_mask(dev, B2055_C2_PD_RSSIMISC, 0xF8);
2404        state[2] = b43_radio_read16(dev, B2055_C1_SP_RSSI) & 0x07;
2405        state[3] = b43_radio_read16(dev, B2055_C2_SP_RSSI) & 0x07;
2406
2407        b43_nphy_rssi_select(dev, 5, type);
2408        b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 0, type);
2409        b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 1, type);
2410
2411        for (i = 0; i < 4; i++) {
2412                u8 tmp[4];
2413                for (j = 0; j < 4; j++)
2414                        tmp[j] = i;
2415                if (type != 1)
2416                        b43_nphy_set_rssi_2055_vcm(dev, type, tmp);
2417                b43_nphy_poll_rssi(dev, type, results[i], 8);
2418                if (type < 2)
2419                        for (j = 0; j < 2; j++)
2420                                miniq[i][j] = min(results[i][2 * j],
2421                                                results[i][2 * j + 1]);
2422        }
2423
2424        for (i = 0; i < 4; i++) {
2425                s32 mind = 40;
2426                u8 minvcm = 0;
2427                s32 minpoll = 249;
2428                s32 curr;
2429                for (j = 0; j < 4; j++) {
2430                        if (type == 2)
2431                                curr = abs(results[j][i]);
2432                        else
2433                                curr = abs(miniq[j][i / 2] - code * 8);
2434
2435                        if (curr < mind) {
2436                                mind = curr;
2437                                minvcm = j;
2438                        }
2439
2440                        if (results[j][i] < minpoll)
2441                                minpoll = results[j][i];
2442                }
2443                results_min[i] = minpoll;
2444                vcm_final[i] = minvcm;
2445        }
2446
2447        if (type != 1)
2448                b43_nphy_set_rssi_2055_vcm(dev, type, vcm_final);
2449
2450        for (i = 0; i < 4; i++) {
2451                offset[i] = (code * 8) - results[vcm_final[i]][i];
2452
2453                if (offset[i] < 0)
2454                        offset[i] = -((abs(offset[i]) + 4) / 8);
2455                else
2456                        offset[i] = (offset[i] + 4) / 8;
2457
2458                if (results_min[i] == 248)
2459                        offset[i] = code - 32;
2460
2461                core = (i / 2) ? 2 : 1;
2462                rail = (i % 2) ? 1 : 0;
2463
2464                b43_nphy_scale_offset_rssi(dev, 0, offset[i], core, rail,
2465                                                type);
2466        }
2467
2468        b43_radio_maskset(dev, B2055_C1_PD_RSSIMISC, 0xF8, state[0]);
2469        b43_radio_maskset(dev, B2055_C2_PD_RSSIMISC, 0xF8, state[1]);
2470
2471        switch (state[2]) {
2472        case 1:
2473                b43_nphy_rssi_select(dev, 1, 2);
2474                break;
2475        case 4:
2476                b43_nphy_rssi_select(dev, 1, 0);
2477                break;
2478        case 2:
2479                b43_nphy_rssi_select(dev, 1, 1);
2480                break;
2481        default:
2482                b43_nphy_rssi_select(dev, 1, 1);
2483                break;
2484        }
2485
2486        switch (state[3]) {
2487        case 1:
2488                b43_nphy_rssi_select(dev, 2, 2);
2489                break;
2490        case 4:
2491                b43_nphy_rssi_select(dev, 2, 0);
2492                break;
2493        default:
2494                b43_nphy_rssi_select(dev, 2, 1);
2495                break;
2496        }
2497
2498        b43_nphy_rssi_select(dev, 0, type);
2499
2500        b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs_save_phy[0]);
2501        b43_radio_write16(dev, B2055_C1_PD_RXTX, regs_save_radio[0]);
2502        b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs_save_phy[1]);
2503        b43_radio_write16(dev, B2055_C2_PD_RXTX, regs_save_radio[1]);
2504
2505        b43_nphy_classifier(dev, 7, class);
2506        b43_nphy_write_clip_detection(dev, clip_state);
2507        /* Specs don't say about reset here, but it makes wl and b43 dumps
2508           identical, it really seems wl performs this */
2509        b43_nphy_reset_cca(dev);
2510}
2511
2512/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICalRev3 */
2513static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
2514{
2515        /* TODO */
2516}
2517
2518/*
2519 * RSSI Calibration
2520 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal
2521 */
2522static void b43_nphy_rssi_cal(struct b43_wldev *dev)
2523{
2524        if (dev->phy.rev >= 3) {
2525                b43_nphy_rev3_rssi_cal(dev);
2526        } else {
2527                b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_Z);
2528                b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_X);
2529                b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_Y);
2530        }
2531}
2532
2533/*
2534 * Restore RSSI Calibration
2535 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreRssiCal
2536 */
2537static void b43_nphy_restore_rssi_cal(struct b43_wldev *dev)
2538{
2539        struct b43_phy_n *nphy = dev->phy.n;
2540
2541        u16 *rssical_radio_regs = NULL;
2542        u16 *rssical_phy_regs = NULL;
2543
2544        if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
2545                if (!nphy->rssical_chanspec_2G.center_freq)
2546                        return;
2547                rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G;
2548                rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G;
2549        } else {
2550                if (!nphy->rssical_chanspec_5G.center_freq)
2551                        return;
2552                rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G;
2553                rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G;
2554        }
2555
2556        /* TODO use some definitions */
2557        b43_radio_maskset(dev, 0x602B, 0xE3, rssical_radio_regs[0]);
2558        b43_radio_maskset(dev, 0x702B, 0xE3, rssical_radio_regs[1]);
2559
2560        b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, rssical_phy_regs[0]);
2561        b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, rssical_phy_regs[1]);
2562        b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, rssical_phy_regs[2]);
2563        b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, rssical_phy_regs[3]);
2564
2565        b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, rssical_phy_regs[4]);
2566        b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, rssical_phy_regs[5]);
2567        b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, rssical_phy_regs[6]);
2568        b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, rssical_phy_regs[7]);
2569
2570        b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, rssical_phy_regs[8]);
2571        b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, rssical_phy_regs[9]);
2572        b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, rssical_phy_regs[10]);
2573        b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, rssical_phy_regs[11]);
2574}
2575
2576/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetIpaGainTbl */
2577static const u32 *b43_nphy_get_ipa_gain_table(struct b43_wldev *dev)
2578{
2579        if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
2580                if (dev->phy.rev >= 6) {
2581                        /* TODO If the chip is 47162
2582                                return txpwrctrl_tx_gain_ipa_rev5 */
2583                        return txpwrctrl_tx_gain_ipa_rev6;
2584                } else if (dev->phy.rev >= 5) {
2585                        return txpwrctrl_tx_gain_ipa_rev5;
2586                } else {
2587                        return txpwrctrl_tx_gain_ipa;
2588                }
2589        } else {
2590                return txpwrctrl_tx_gain_ipa_5g;
2591        }
2592}
2593
2594/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalRadioSetup */
2595static void b43_nphy_tx_cal_radio_setup(struct b43_wldev *dev)
2596{
2597        struct b43_phy_n *nphy = dev->phy.n;
2598        u16 *save = nphy->tx_rx_cal_radio_saveregs;
2599        u16 tmp;
2600        u8 offset, i;
2601
2602        if (dev->phy.rev >= 3) {
2603            for (i = 0; i < 2; i++) {
2604                tmp = (i == 0) ? 0x2000 : 0x3000;
2605                offset = i * 11;
2606
2607                save[offset + 0] = b43_radio_read16(dev, B2055_CAL_RVARCTL);
2608                save[offset + 1] = b43_radio_read16(dev, B2055_CAL_LPOCTL);
2609                save[offset + 2] = b43_radio_read16(dev, B2055_CAL_TS);
2610                save[offset + 3] = b43_radio_read16(dev, B2055_CAL_RCCALRTS);
2611                save[offset + 4] = b43_radio_read16(dev, B2055_CAL_RCALRTS);
2612                save[offset + 5] = b43_radio_read16(dev, B2055_PADDRV);
2613                save[offset + 6] = b43_radio_read16(dev, B2055_XOCTL1);
2614                save[offset + 7] = b43_radio_read16(dev, B2055_XOCTL2);
2615                save[offset + 8] = b43_radio_read16(dev, B2055_XOREGUL);
2616                save[offset + 9] = b43_radio_read16(dev, B2055_XOMISC);
2617                save[offset + 10] = b43_radio_read16(dev, B2055_PLL_LFC1);
2618
2619                if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
2620                        b43_radio_write16(dev, tmp | B2055_CAL_RVARCTL, 0x0A);
2621                        b43_radio_write16(dev, tmp | B2055_CAL_LPOCTL, 0x40);
2622                        b43_radio_write16(dev, tmp | B2055_CAL_TS, 0x55);
2623                        b43_radio_write16(dev, tmp | B2055_CAL_RCCALRTS, 0);
2624                        b43_radio_write16(dev, tmp | B2055_CAL_RCALRTS, 0);
2625                        if (nphy->ipa5g_on) {
2626                                b43_radio_write16(dev, tmp | B2055_PADDRV, 4);
2627                                b43_radio_write16(dev, tmp | B2055_XOCTL1, 1);
2628                        } else {
2629                                b43_radio_write16(dev, tmp | B2055_PADDRV, 0);
2630                                b43_radio_write16(dev, tmp | B2055_XOCTL1, 0x2F);
2631                        }
2632                        b43_radio_write16(dev, tmp | B2055_XOCTL2, 0);
2633                } else {
2634                        b43_radio_write16(dev, tmp | B2055_CAL_RVARCTL, 0x06);
2635                        b43_radio_write16(dev, tmp | B2055_CAL_LPOCTL, 0x40);
2636                        b43_radio_write16(dev, tmp | B2055_CAL_TS, 0x55);
2637                        b43_radio_write16(dev, tmp | B2055_CAL_RCCALRTS, 0);
2638                        b43_radio_write16(dev, tmp | B2055_CAL_RCALRTS, 0);
2639                        b43_radio_write16(dev, tmp | B2055_XOCTL1, 0);
2640                        if (nphy->ipa2g_on) {
2641                                b43_radio_write16(dev, tmp | B2055_PADDRV, 6);
2642                                b43_radio_write16(dev, tmp | B2055_XOCTL2,
2643                                        (dev->phy.rev < 5) ? 0x11 : 0x01);
2644                        } else {
2645                                b43_radio_write16(dev, tmp | B2055_PADDRV, 0);
2646                                b43_radio_write16(dev, tmp | B2055_XOCTL2, 0);
2647                        }
2648                }
2649                b43_radio_write16(dev, tmp | B2055_XOREGUL, 0);
2650                b43_radio_write16(dev, tmp | B2055_XOMISC, 0);
2651                b43_radio_write16(dev, tmp | B2055_PLL_LFC1, 0);
2652            }
2653        } else {
2654                save[0] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL1);
2655                b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL1, 0x29);
2656
2657                save[1] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL2);
2658                b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL2, 0x54);
2659
2660                save[2] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL1);
2661                b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL1, 0x29);
2662
2663                save[3] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL2);
2664                b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL2, 0x54);
2665
2666                save[3] = b43_radio_read16(dev, B2055_C1_PWRDET_RXTX);
2667                save[4] = b43_radio_read16(dev, B2055_C2_PWRDET_RXTX);
2668
2669                if (!(b43_phy_read(dev, B43_NPHY_BANDCTL) &
2670                    B43_NPHY_BANDCTL_5GHZ)) {
2671                        b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x04);
2672                        b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x04);
2673                } else {
2674                        b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x20);
2675                        b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x20);
2676                }
2677
2678                if (dev->phy.rev < 2) {
2679                        b43_radio_set(dev, B2055_C1_TX_BB_MXGM, 0x20);
2680                        b43_radio_set(dev, B2055_C2_TX_BB_MXGM, 0x20);
2681                } else {
2682                        b43_radio_mask(dev, B2055_C1_TX_BB_MXGM, ~0x20);
2683                        b43_radio_mask(dev, B2055_C2_TX_BB_MXGM, ~0x20);
2684                }
2685        }
2686}
2687
2688/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IqCalGainParams */
2689static void b43_nphy_iq_cal_gain_params(struct b43_wldev *dev, u16 core,
2690                                        struct nphy_txgains target,
2691                                        struct nphy_iqcal_params *params)
2692{
2693        int i, j, indx;
2694        u16 gain;
2695
2696        if (dev->phy.rev >= 3) {
2697                params->txgm = target.txgm[core];
2698                params->pga = target.pga[core];
2699                params->pad = target.pad[core];
2700                params->ipa = target.ipa[core];
2701                params->cal_gain = (params->txgm << 12) | (params->pga << 8) |
2702                                        (params->pad << 4) | (params->ipa);
2703                for (j = 0; j < 5; j++)
2704                        params->ncorr[j] = 0x79;
2705        } else {
2706                gain = (target.pad[core]) | (target.pga[core] << 4) |
2707                        (target.txgm[core] << 8);
2708
2709                indx = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ?
2710                        1 : 0;
2711                for (i = 0; i < 9; i++)
2712                        if (tbl_iqcal_gainparams[indx][i][0] == gain)
2713                                break;
2714                i = min(i, 8);
2715
2716                params->txgm = tbl_iqcal_gainparams[indx][i][1];
2717                params->pga = tbl_iqcal_gainparams[indx][i][2];
2718                params->pad = tbl_iqcal_gainparams[indx][i][3];
2719                params->cal_gain = (params->txgm << 7) | (params->pga << 4) |
2720                                        (params->pad << 2);
2721                for (j = 0; j < 4; j++)
2722                        params->ncorr[j] = tbl_iqcal_gainparams[indx][i][4 + j];
2723        }
2724}
2725
2726/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/UpdateTxCalLadder */
2727static void b43_nphy_update_tx_cal_ladder(struct b43_wldev *dev, u16 core)
2728{
2729        struct b43_phy_n *nphy = dev->phy.n;
2730        int i;
2731        u16 scale, entry;
2732
2733        u16 tmp = nphy->txcal_bbmult;
2734        if (core == 0)
2735                tmp >>= 8;
2736        tmp &= 0xff;
2737
2738        for (i = 0; i < 18; i++) {
2739                scale = (ladder_lo[i].percent * tmp) / 100;
2740                entry = ((scale & 0xFF) << 8) | ladder_lo[i].g_env;
2741                b43_ntab_write(dev, B43_NTAB16(15, i), entry);
2742
2743                scale = (ladder_iq[i].percent * tmp) / 100;
2744                entry = ((scale & 0xFF) << 8) | ladder_iq[i].g_env;
2745                b43_ntab_write(dev, B43_NTAB16(15, i + 32), entry);
2746        }
2747}
2748
2749/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ExtPaSetTxDigiFilts */
2750static void b43_nphy_ext_pa_set_tx_dig_filters(struct b43_wldev *dev)
2751{
2752        int i;
2753        for (i = 0; i < 15; i++)
2754                b43_phy_write(dev, B43_PHY_N(0x2C5 + i),
2755                                tbl_tx_filter_coef_rev4[2][i]);
2756}
2757
2758/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IpaSetTxDigiFilts */
2759static void b43_nphy_int_pa_set_tx_dig_filters(struct b43_wldev *dev)
2760{
2761        int i, j;
2762        /* B43_NPHY_TXF_20CO_S0A1, B43_NPHY_TXF_40CO_S0A1, unknown */
2763        static const u16 offset[] = { 0x186, 0x195, 0x2C5 };
2764
2765        for (i = 0; i < 3; i++)
2766                for (j = 0; j < 15; j++)
2767                        b43_phy_write(dev, B43_PHY_N(offset[i] + j),
2768                                        tbl_tx_filter_coef_rev4[i][j]);
2769
2770        if (dev->phy.is_40mhz) {
2771                for (j = 0; j < 15; j++)
2772                        b43_phy_write(dev, B43_PHY_N(offset[0] + j),
2773                                        tbl_tx_filter_coef_rev4[3][j]);
2774        } else if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
2775                for (j = 0; j < 15; j++)
2776                        b43_phy_write(dev, B43_PHY_N(offset[0] + j),
2777                                        tbl_tx_filter_coef_rev4[5][j]);
2778        }
2779
2780        if (dev->phy.channel == 14)
2781                for (j = 0; j < 15; j++)
2782                        b43_phy_write(dev, B43_PHY_N(offset[0] + j),
2783                                        tbl_tx_filter_coef_rev4[6][j]);
2784}
2785
2786/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetTxGain */
2787static struct nphy_txgains b43_nphy_get_tx_gains(struct b43_wldev *dev)
2788{
2789        struct b43_phy_n *nphy = dev->phy.n;
2790
2791        u16 curr_gain[2];
2792        struct nphy_txgains target;
2793        const u32 *table = NULL;
2794
2795        if (!nphy->txpwrctrl) {
2796                int i;
2797
2798                if (nphy->hang_avoid)
2799                        b43_nphy_stay_in_carrier_search(dev, true);
2800                b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, curr_gain);
2801                if (nphy->hang_avoid)
2802                        b43_nphy_stay_in_carrier_search(dev, false);
2803
2804                for (i = 0; i < 2; ++i) {
2805                        if (dev->phy.rev >= 3) {
2806                                target.ipa[i] = curr_gain[i] & 0x000F;
2807                                target.pad[i] = (curr_gain[i] & 0x00F0) >> 4;
2808                                target.pga[i] = (curr_gain[i] & 0x0F00) >> 8;
2809                                target.txgm[i] = (curr_gain[i] & 0x7000) >> 12;
2810                        } else {
2811                                target.ipa[i] = curr_gain[i] & 0x0003;
2812                                target.pad[i] = (curr_gain[i] & 0x000C) >> 2;
2813                                target.pga[i] = (curr_gain[i] & 0x0070) >> 4;
2814                                target.txgm[i] = (curr_gain[i] & 0x0380) >> 7;
2815                        }
2816                }
2817        } else {
2818                int i;
2819                u16 index[2];
2820                index[0] = (b43_phy_read(dev, B43_NPHY_C1_TXPCTL_STAT) &
2821                        B43_NPHY_TXPCTL_STAT_BIDX) >>
2822                        B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
2823                index[1] = (b43_phy_read(dev, B43_NPHY_C2_TXPCTL_STAT) &
2824                        B43_NPHY_TXPCTL_STAT_BIDX) >>
2825                        B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
2826
2827                for (i = 0; i < 2; ++i) {
2828                        if (dev->phy.rev >= 3) {
2829                                enum ieee80211_band band =
2830                                        b43_current_band(dev->wl);
2831
2832                                if ((nphy->ipa2g_on &&
2833                                     band == IEEE80211_BAND_2GHZ) ||
2834                                    (nphy->ipa5g_on &&
2835                                     band == IEEE80211_BAND_5GHZ)) {
2836                                        table = b43_nphy_get_ipa_gain_table(dev);
2837                                } else {
2838                                        if (band == IEEE80211_BAND_5GHZ) {
2839                                                if (dev->phy.rev == 3)
2840                                                        table = b43_ntab_tx_gain_rev3_5ghz;
2841                                                else if (dev->phy.rev == 4)
2842                                                        table = b43_ntab_tx_gain_rev4_5ghz;
2843                                                else
2844                                                        table = b43_ntab_tx_gain_rev5plus_5ghz;
2845                                        } else {
2846                                                table = b43_ntab_tx_gain_rev3plus_2ghz;
2847                                        }
2848                                }
2849
2850                                target.ipa[i] = (table[index[i]] >> 16) & 0xF;
2851                                target.pad[i] = (table[index[i]] >> 20) & 0xF;
2852                                target.pga[i] = (table[index[i]] >> 24) & 0xF;
2853                                target.txgm[i] = (table[index[i]] >> 28) & 0xF;
2854                        } else {
2855                                table = b43_ntab_tx_gain_rev0_1_2;
2856
2857                                target.ipa[i] = (table[index[i]] >> 16) & 0x3;
2858                                target.pad[i] = (table[index[i]] >> 18) & 0x3;
2859                                target.pga[i] = (table[index[i]] >> 20) & 0x7;
2860                                target.txgm[i] = (table[index[i]] >> 23) & 0x7;
2861                        }
2862                }
2863        }
2864
2865        return target;
2866}
2867
2868/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhyCleanup */
2869static void b43_nphy_tx_cal_phy_cleanup(struct b43_wldev *dev)
2870{
2871        u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
2872
2873        if (dev->phy.rev >= 3) {
2874                b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[0]);
2875                b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
2876                b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
2877                b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[3]);
2878                b43_phy_write(dev, B43_NPHY_BBCFG, regs[4]);
2879                b43_ntab_write(dev, B43_NTAB16(8, 3), regs[5]);
2880                b43_ntab_write(dev, B43_NTAB16(8, 19), regs[6]);
2881                b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[7]);
2882                b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[8]);
2883                b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
2884                b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
2885                b43_nphy_reset_cca(dev);
2886        } else {
2887                b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, regs[0]);
2888                b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, regs[1]);
2889                b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
2890                b43_ntab_write(dev, B43_NTAB16(8, 2), regs[3]);
2891                b43_ntab_write(dev, B43_NTAB16(8, 18), regs[4]);
2892                b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[5]);
2893                b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[6]);
2894        }
2895}
2896
2897/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhySetup */
2898static void b43_nphy_tx_cal_phy_setup(struct b43_wldev *dev)
2899{
2900        u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
2901        u16 tmp;
2902
2903        regs[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
2904        regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
2905        if (dev->phy.rev >= 3) {
2906                b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0xF0FF, 0x0A00);
2907                b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0xF0FF, 0x0A00);
2908
2909                tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
2910                regs[2] = tmp;
2911                b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, tmp | 0x0600);
2912
2913                tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
2914                regs[3] = tmp;
2915                b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x0600);
2916
2917                regs[4] = b43_phy_read(dev, B43_NPHY_BBCFG);
2918                b43_phy_mask(dev, B43_NPHY_BBCFG,
2919                             ~B43_NPHY_BBCFG_RSTRX & 0xFFFF);
2920
2921                tmp = b43_ntab_read(dev, B43_NTAB16(8, 3));
2922                regs[5] = tmp;
2923                b43_ntab_write(dev, B43_NTAB16(8, 3), 0);
2924
2925                tmp = b43_ntab_read(dev, B43_NTAB16(8, 19));
2926                regs[6] = tmp;
2927                b43_ntab_write(dev, B43_NTAB16(8, 19), 0);
2928                regs[7] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
2929                regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
2930
2931                b43_nphy_rf_control_intc_override(dev, 2, 1, 3);
2932                b43_nphy_rf_control_intc_override(dev, 1, 2, 1);
2933                b43_nphy_rf_control_intc_override(dev, 1, 8, 2);
2934
2935                regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
2936                regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
2937                b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
2938                b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
2939        } else {
2940                b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, 0xA000);
2941                b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, 0xA000);
2942                tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
2943                regs[2] = tmp;
2944                b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x3000);
2945                tmp = b43_ntab_read(dev, B43_NTAB16(8, 2));
2946                regs[3] = tmp;
2947                tmp |= 0x2000;
2948                b43_ntab_write(dev, B43_NTAB16(8, 2), tmp);
2949                tmp = b43_ntab_read(dev, B43_NTAB16(8, 18));
2950                regs[4] = tmp;
2951                tmp |= 0x2000;
2952                b43_ntab_write(dev, B43_NTAB16(8, 18), tmp);
2953                regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
2954                regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
2955                if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
2956                        tmp = 0x0180;
2957                else
2958                        tmp = 0x0120;
2959                b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
2960                b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
2961        }
2962}
2963
2964/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SaveCal */
2965static void b43_nphy_save_cal(struct b43_wldev *dev)
2966{
2967        struct b43_phy_n *nphy = dev->phy.n;
2968
2969        struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
2970        u16 *txcal_radio_regs = NULL;
2971        struct b43_chanspec *iqcal_chanspec;
2972        u16 *table = NULL;
2973
2974        if (nphy->hang_avoid)
2975                b43_nphy_stay_in_carrier_search(dev, 1);
2976
2977        if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
2978                rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
2979                txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
2980                iqcal_chanspec = &nphy->iqcal_chanspec_2G;
2981                table = nphy->cal_cache.txcal_coeffs_2G;
2982        } else {
2983                rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
2984                txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
2985                iqcal_chanspec = &nphy->iqcal_chanspec_5G;
2986                table = nphy->cal_cache.txcal_coeffs_5G;
2987        }
2988
2989        b43_nphy_rx_iq_coeffs(dev, false, rxcal_coeffs);
2990        /* TODO use some definitions */
2991        if (dev->phy.rev >= 3) {
2992                txcal_radio_regs[0] = b43_radio_read(dev, 0x2021);
2993                txcal_radio_regs[1] = b43_radio_read(dev, 0x2022);
2994                txcal_radio_regs[2] = b43_radio_read(dev, 0x3021);
2995                txcal_radio_regs[3] = b43_radio_read(dev, 0x3022);
2996                txcal_radio_regs[4] = b43_radio_read(dev, 0x2023);
2997                txcal_radio_regs[5] = b43_radio_read(dev, 0x2024);
2998                txcal_radio_regs[6] = b43_radio_read(dev, 0x3023);
2999                txcal_radio_regs[7] = b43_radio_read(dev, 0x3024);
3000        } else {
3001                txcal_radio_regs[0] = b43_radio_read(dev, 0x8B);
3002                txcal_radio_regs[1] = b43_radio_read(dev, 0xBA);
3003                txcal_radio_regs[2] = b43_radio_read(dev, 0x8D);
3004                txcal_radio_regs[3] = b43_radio_read(dev, 0xBC);
3005        }
3006        iqcal_chanspec->center_freq = dev->phy.channel_freq;
3007        iqcal_chanspec->channel_type = dev->phy.channel_type;
3008        b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 8, table);
3009
3010        if (nphy->hang_avoid)
3011                b43_nphy_stay_in_carrier_search(dev, 0);
3012}
3013
3014/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreCal */
3015static void b43_nphy_restore_cal(struct b43_wldev *dev)
3016{
3017        struct b43_phy_n *nphy = dev->phy.n;
3018
3019        u16 coef[4];
3020        u16 *loft = NULL;
3021        u16 *table = NULL;
3022
3023        int i;
3024        u16 *txcal_radio_regs = NULL;
3025        struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
3026
3027        if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
3028                if (!nphy->iqcal_chanspec_2G.center_freq)
3029                        return;
3030                table = nphy->cal_cache.txcal_coeffs_2G;
3031                loft = &nphy->cal_cache.txcal_coeffs_2G[5];
3032        } else {
3033                if (!nphy->iqcal_chanspec_5G.center_freq)
3034                        return;
3035                table = nphy->cal_cache.txcal_coeffs_5G;
3036                loft = &nphy->cal_cache.txcal_coeffs_5G[5];
3037        }
3038
3039        b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4, table);
3040
3041        for (i = 0; i < 4; i++) {
3042                if (dev->phy.rev >= 3)
3043                        table[i] = coef[i];
3044                else
3045                        coef[i] = 0;
3046        }
3047
3048        b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4, coef);
3049        b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2, loft);
3050        b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2, loft);
3051
3052        if (dev->phy.rev < 2)
3053                b43_nphy_tx_iq_workaround(dev);
3054
3055        if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
3056                txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
3057                rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
3058        } else {
3059                txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
3060                rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
3061        }
3062
3063        /* TODO use some definitions */
3064        if (dev->phy.rev >= 3) {
3065                b43_radio_write(dev, 0x2021, txcal_radio_regs[0]);
3066                b43_radio_write(dev, 0x2022, txcal_radio_regs[1]);
3067                b43_radio_write(dev, 0x3021, txcal_radio_regs[2]);
3068                b43_radio_write(dev, 0x3022, txcal_radio_regs[3]);
3069                b43_radio_write(dev, 0x2023, txcal_radio_regs[4]);
3070                b43_radio_write(dev, 0x2024, txcal_radio_regs[5]);
3071                b43_radio_write(dev, 0x3023, txcal_radio_regs[6]);
3072                b43_radio_write(dev, 0x3024, txcal_radio_regs[7]);
3073        } else {
3074                b43_radio_write(dev, 0x8B, txcal_radio_regs[0]);
3075                b43_radio_write(dev, 0xBA, txcal_radio_regs[1]);
3076                b43_radio_write(dev, 0x8D, txcal_radio_regs[2]);
3077                b43_radio_write(dev, 0xBC, txcal_radio_regs[3]);
3078        }
3079        b43_nphy_rx_iq_coeffs(dev, true, rxcal_coeffs);
3080}
3081
3082/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalTxIqlo */
3083static int b43_nphy_cal_tx_iq_lo(struct b43_wldev *dev,
3084                                struct nphy_txgains target,
3085                                bool full, bool mphase)
3086{
3087        struct b43_phy_n *nphy = dev->phy.n;
3088        int i;
3089        int error = 0;
3090        int freq;
3091        bool avoid = false;
3092        u8 length;
3093        u16 tmp, core, type, count, max, numb, last, cmd;
3094        const u16 *table;
3095        bool phy6or5x;
3096
3097        u16 buffer[11];
3098        u16 diq_start = 0;
3099        u16 save[2];
3100        u16 gain[2];
3101        struct nphy_iqcal_params params[2];
3102        bool updated[2] = { };
3103
3104        b43_nphy_stay_in_carrier_search(dev, true);
3105
3106        if (dev->phy.rev >= 4) {
3107                avoid = nphy->hang_avoid;
3108                nphy->hang_avoid = 0;
3109        }
3110
3111        b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
3112
3113        for (i = 0; i < 2; i++) {
3114                b43_nphy_iq_cal_gain_params(dev, i, target, &params[i]);
3115                gain[i] = params[i].cal_gain;
3116        }
3117
3118        b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain);
3119
3120        b43_nphy_tx_cal_radio_setup(dev);
3121        b43_nphy_tx_cal_phy_setup(dev);
3122
3123        phy6or5x = dev->phy.rev >= 6 ||
3124                (dev->phy.rev == 5 && nphy->ipa2g_on &&
3125                b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ);
3126        if (phy6or5x) {
3127                if (dev->phy.is_40mhz) {
3128                        b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
3129                                        tbl_tx_iqlo_cal_loft_ladder_40);
3130                        b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
3131                                        tbl_tx_iqlo_cal_iqimb_ladder_40);
3132                } else {
3133                        b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
3134                                        tbl_tx_iqlo_cal_loft_ladder_20);
3135                        b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
3136                                        tbl_tx_iqlo_cal_iqimb_ladder_20);
3137                }
3138        }
3139
3140        b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8AA9);
3141
3142        if (!dev->phy.is_40mhz)
3143                freq = 2500;
3144        else
3145                freq = 5000;
3146
3147        if (nphy->mphase_cal_phase_id > 2)
3148                b43_nphy_run_samples(dev, (dev->phy.is_40mhz ? 40 : 20) * 8,
3149                                        0xFFFF, 0, true, false);
3150        else
3151                error = b43_nphy_tx_tone(dev, freq, 250, true, false);
3152
3153        if (error == 0) {
3154                if (nphy->mphase_cal_phase_id > 2) {
3155                        table = nphy->mphase_txcal_bestcoeffs;
3156                        length = 11;
3157                        if (dev->phy.rev < 3)
3158                                length -= 2;
3159                } else {
3160                        if (!full && nphy->txiqlocal_coeffsvalid) {
3161                                table = nphy->txiqlocal_bestc;
3162                                length = 11;
3163                                if (dev->phy.rev < 3)
3164                                        length -= 2;
3165                        } else {
3166                                full = true;
3167                                if (dev->phy.rev >= 3) {
3168                                        table = tbl_tx_iqlo_cal_startcoefs_nphyrev3;
3169                                        length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS_REV3;
3170                                } else {
3171                                        table = tbl_tx_iqlo_cal_startcoefs;
3172                                        length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS;
3173                                }
3174                        }
3175                }
3176
3177                b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length, table);
3178
3179                if (full) {
3180                        if (dev->phy.rev >= 3)
3181                                max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL_REV3;
3182                        else
3183                                max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL;
3184                } else {
3185                        if (dev->phy.rev >= 3)
3186                                max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL_REV3;
3187                        else
3188                                max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL;
3189                }
3190
3191                if (mphase) {
3192                        count = nphy->mphase_txcal_cmdidx;
3193                        numb = min(max,
3194                                (u16)(count + nphy->mphase_txcal_numcmds));
3195                } else {
3196                        count = 0;
3197                        numb = max;
3198                }
3199
3200                for (; count < numb; count++) {
3201                        if (full) {
3202                                if (dev->phy.rev >= 3)
3203                                        cmd = tbl_tx_iqlo_cal_cmds_fullcal_nphyrev3[count];
3204                                else
3205                                        cmd = tbl_tx_iqlo_cal_cmds_fullcal[count];
3206                        } else {
3207                                if (dev->phy.rev >= 3)
3208                                        cmd = tbl_tx_iqlo_cal_cmds_recal_nphyrev3[count];
3209                                else
3210                                        cmd = tbl_tx_iqlo_cal_cmds_recal[count];
3211                        }
3212
3213                        core = (cmd & 0x3000) >> 12;
3214                        type = (cmd & 0x0F00) >> 8;
3215
3216                        if (phy6or5x && updated[core] == 0) {
3217                                b43_nphy_update_tx_cal_ladder(dev, core);
3218                                updated[core] = 1;
3219                        }
3220
3221                        tmp = (params[core].ncorr[type] << 8) | 0x66;
3222                        b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDNNUM, tmp);
3223
3224                        if (type == 1 || type == 3 || type == 4) {
3225                                buffer[0] = b43_ntab_read(dev,
3226                                                B43_NTAB16(15, 69 + core));
3227                                diq_start = buffer[0];
3228                                buffer[0] = 0;
3229                                b43_ntab_write(dev, B43_NTAB16(15, 69 + core),
3230                                                0);
3231                        }
3232
3233                        b43_phy_write(dev, B43_NPHY_IQLOCAL_CMD, cmd);
3234                        for (i = 0; i < 2000; i++) {
3235                                tmp = b43_phy_read(dev, B43_NPHY_IQLOCAL_CMD);
3236                                if (tmp & 0xC000)
3237                                        break;
3238                                udelay(10);
3239                        }
3240
3241                        b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
3242                                                buffer);
3243                        b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length,
3244                                                buffer);
3245
3246                        if (type == 1 || type == 3 || type == 4)
3247                                buffer[0] = diq_start;
3248                }
3249
3250                if (mphase)
3251                        nphy->mphase_txcal_cmdidx = (numb >= max) ? 0 : numb;
3252
3253                last = (dev->phy.rev < 3) ? 6 : 7;
3254
3255                if (!mphase || nphy->mphase_cal_phase_id == last) {
3256                        b43_ntab_write_bulk(dev, B43_NTAB16(15, 96), 4, buffer);
3257                        b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 4, buffer);
3258                        if (dev->phy.rev < 3) {
3259                                buffer[0] = 0;
3260                                buffer[1] = 0;
3261                                buffer[2] = 0;
3262                                buffer[3] = 0;
3263                        }
3264                        b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
3265                                                buffer);
3266                        b43_ntab_read_bulk(dev, B43_NTAB16(15, 101), 2,
3267                                                buffer);
3268                        b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
3269                                                buffer);
3270                        b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
3271                                                buffer);
3272                        length = 11;
3273                        if (dev->phy.rev < 3)
3274                                length -= 2;
3275                        b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
3276                                                nphy->txiqlocal_bestc);
3277                        nphy->txiqlocal_coeffsvalid = true;
3278                        nphy->txiqlocal_chanspec.center_freq =
3279                                                        dev->phy.channel_freq;
3280                        nphy->txiqlocal_chanspec.channel_type =
3281                                                        dev->phy.channel_type;
3282                } else {
3283                        length = 11;
3284                        if (dev->phy.rev < 3)
3285                                length -= 2;
3286                        b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
3287                                                nphy->mphase_txcal_bestcoeffs);
3288                }
3289
3290                b43_nphy_stop_playback(dev);
3291                b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0);
3292        }
3293
3294        b43_nphy_tx_cal_phy_cleanup(dev);
3295        b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
3296
3297        if (dev->phy.rev < 2 && (!mphase || nphy->mphase_cal_phase_id == last))
3298                b43_nphy_tx_iq_workaround(dev);
3299
3300        if (dev->phy.rev >= 4)
3301                nphy->hang_avoid = avoid;
3302
3303        b43_nphy_stay_in_carrier_search(dev, false);
3304
3305        return error;
3306}
3307
3308/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ReapplyTxCalCoeffs */
3309static void b43_nphy_reapply_tx_cal_coeffs(struct b43_wldev *dev)
3310{
3311        struct b43_phy_n *nphy = dev->phy.n;
3312        u8 i;
3313        u16 buffer[7];
3314        bool equal = true;
3315
3316        if (!nphy->txiqlocal_coeffsvalid ||
3317            nphy->txiqlocal_chanspec.center_freq != dev->phy.channel_freq ||
3318            nphy->txiqlocal_chanspec.channel_type != dev->phy.channel_type)
3319                return;
3320
3321        b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
3322        for (i = 0; i < 4; i++) {
3323                if (buffer[i] != nphy->txiqlocal_bestc[i]) {
3324                        equal = false;
3325                        break;
3326                }
3327        }
3328
3329        if (!equal) {
3330                b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4,
3331                                        nphy->txiqlocal_bestc);
3332                for (i = 0; i < 4; i++)
3333                        buffer[i] = 0;
3334                b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
3335                                        buffer);
3336                b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
3337                                        &nphy->txiqlocal_bestc[5]);
3338                b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
3339                                        &nphy->txiqlocal_bestc[5]);
3340        }
3341}
3342
3343/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIqRev2 */
3344static int b43_nphy_rev2_cal_rx_iq(struct b43_wldev *dev,
3345                        struct nphy_txgains target, u8 type, bool debug)
3346{
3347        struct b43_phy_n *nphy = dev->phy.n;
3348        int i, j, index;
3349        u8 rfctl[2];
3350        u8 afectl_core;
3351        u16 tmp[6];
3352        u16 uninitialized_var(cur_hpf1), uninitialized_var(cur_hpf2), cur_lna;
3353        u32 real, imag;
3354        enum ieee80211_band band;
3355
3356        u8 use;
3357        u16 cur_hpf;
3358        u16 lna[3] = { 3, 3, 1 };
3359        u16 hpf1[3] = { 7, 2, 0 };
3360        u16 hpf2[3] = { 2, 0, 0 };
3361        u32 power[3] = { };
3362        u16 gain_save[2];
3363        u16 cal_gain[2];
3364        struct nphy_iqcal_params cal_params[2];
3365        struct nphy_iq_est est;
3366        int ret = 0;
3367        bool playtone = true;
3368        int desired = 13;
3369
3370        b43_nphy_stay_in_carrier_search(dev, 1);
3371
3372        if (dev->phy.rev < 2)
3373                b43_nphy_reapply_tx_cal_coeffs(dev);
3374        b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
3375        for (i = 0; i < 2; i++) {
3376                b43_nphy_iq_cal_gain_params(dev, i, target, &cal_params[i]);
3377                cal_gain[i] = cal_params[i].cal_gain;
3378        }
3379        b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, cal_gain);
3380
3381        for (i = 0; i < 2; i++) {
3382                if (i == 0) {
3383                        rfctl[0] = B43_NPHY_RFCTL_INTC1;
3384                        rfctl[1] = B43_NPHY_RFCTL_INTC2;
3385                        afectl_core = B43_NPHY_AFECTL_C1;
3386                } else {
3387                        rfctl[0] = B43_NPHY_RFCTL_INTC2;
3388                        rfctl[1] = B43_NPHY_RFCTL_INTC1;
3389                        afectl_core = B43_NPHY_AFECTL_C2;
3390                }
3391
3392                tmp[1] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
3393                tmp[2] = b43_phy_read(dev, afectl_core);
3394                tmp[3] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
3395                tmp[4] = b43_phy_read(dev, rfctl[0]);
3396                tmp[5] = b43_phy_read(dev, rfctl[1]);
3397
3398                b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
3399                                ~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF,
3400                                ((1 - i) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
3401                b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
3402                                (1 - i));
3403                b43_phy_set(dev, afectl_core, 0x0006);
3404                b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0006);
3405
3406                band = b43_current_band(dev->wl);
3407
3408                if (nphy->rxcalparams & 0xFF000000) {
3409                        if (band == IEEE80211_BAND_5GHZ)
3410                                b43_phy_write(dev, rfctl[0], 0x140);
3411                        else
3412                                b43_phy_write(dev, rfctl[0], 0x110);
3413                } else {
3414                        if (band == IEEE80211_BAND_5GHZ)
3415                                b43_phy_write(dev, rfctl[0], 0x180);
3416                        else
3417                                b43_phy_write(dev, rfctl[0], 0x120);
3418                }
3419
3420                if (band == IEEE80211_BAND_5GHZ)
3421                        b43_phy_write(dev, rfctl[1], 0x148);
3422                else
3423                        b43_phy_write(dev, rfctl[1], 0x114);
3424
3425                if (nphy->rxcalparams & 0x10000) {
3426                        b43_radio_maskset(dev, B2055_C1_GENSPARE2, 0xFC,
3427                                        (i + 1));
3428                        b43_radio_maskset(dev, B2055_C2_GENSPARE2, 0xFC,
3429                                        (2 - i));
3430                }
3431
3432                for (j = 0; j < 4; j++) {
3433                        if (j < 3) {
3434                                cur_lna = lna[j];
3435                                cur_hpf1 = hpf1[j];
3436                                cur_hpf2 = hpf2[j];
3437                        } else {
3438                                if (power[1] > 10000) {
3439                                        use = 1;
3440                                        cur_hpf = cur_hpf1;
3441                                        index = 2;
3442                                } else {
3443                                        if (power[0] > 10000) {
3444                                                use = 1;
3445                                                cur_hpf = cur_hpf1;
3446                                                index = 1;
3447                                        } else {
3448                                                index = 0;
3449                                                use = 2;
3450                                                cur_hpf = cur_hpf2;
3451                                        }
3452                                }
3453                                cur_lna = lna[index];
3454                                cur_hpf1 = hpf1[index];
3455                                cur_hpf2 = hpf2[index];
3456                                cur_hpf += desired - hweight32(power[index]);
3457                                cur_hpf = clamp_val(cur_hpf, 0, 10);
3458                                if (use == 1)
3459                                        cur_hpf1 = cur_hpf;
3460                                else
3461                                        cur_hpf2 = cur_hpf;
3462                        }
3463
3464                        tmp[0] = ((cur_hpf2 << 8) | (cur_hpf1 << 4) |
3465                                        (cur_lna << 2));
3466                        b43_nphy_rf_control_override(dev, 0x400, tmp[0], 3,
3467                                                                        false);
3468                        b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
3469                        b43_nphy_stop_playback(dev);
3470
3471                        if (playtone) {
3472                                ret = b43_nphy_tx_tone(dev, 4000,
3473                                                (nphy->rxcalparams & 0xFFFF),
3474                                                false, false);
3475                                playtone = false;
3476                        } else {
3477                                b43_nphy_run_samples(dev, 160, 0xFFFF, 0,
3478                                                        false, false);
3479                        }
3480
3481                        if (ret == 0) {
3482                                if (j < 3) {
3483                                        b43_nphy_rx_iq_est(dev, &est, 1024, 32,
3484                                                                        false);
3485                                        if (i == 0) {
3486                                                real = est.i0_pwr;
3487                                                imag = est.q0_pwr;
3488                                        } else {
3489                                                real = est.i1_pwr;
3490                                                imag = est.q1_pwr;
3491                                        }
3492                                        power[i] = ((real + imag) / 1024) + 1;
3493                                } else {
3494                                        b43_nphy_calc_rx_iq_comp(dev, 1 << i);
3495                                }
3496                                b43_nphy_stop_playback(dev);
3497                        }
3498
3499                        if (ret != 0)
3500                                break;
3501                }
3502
3503                b43_radio_mask(dev, B2055_C1_GENSPARE2, 0xFC);
3504                b43_radio_mask(dev, B2055_C2_GENSPARE2, 0xFC);
3505                b43_phy_write(dev, rfctl[1], tmp[5]);
3506                b43_phy_write(dev, rfctl[0], tmp[4]);
3507                b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp[3]);
3508                b43_phy_write(dev, afectl_core, tmp[2]);
3509                b43_phy_write(dev, B43_NPHY_RFSEQCA, tmp[1]);
3510
3511                if (ret != 0)
3512                        break;
3513        }
3514
3515        b43_nphy_rf_control_override(dev, 0x400, 0, 3, true);
3516        b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
3517        b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
3518
3519        b43_nphy_stay_in_carrier_search(dev, 0);
3520
3521        return ret;
3522}
3523
3524static int b43_nphy_rev3_cal_rx_iq(struct b43_wldev *dev,
3525                        struct nphy_txgains target, u8 type, bool debug)
3526{
3527        return -1;
3528}
3529
3530/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIq */
3531static int b43_nphy_cal_rx_iq(struct b43_wldev *dev,
3532                        struct nphy_txgains target, u8 type, bool debug)
3533{
3534        if (dev->phy.rev >= 3)
3535                return b43_nphy_rev3_cal_rx_iq(dev, target, type, debug);
3536        else
3537                return b43_nphy_rev2_cal_rx_iq(dev, target, type, debug);
3538}
3539
3540/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/MacPhyClkSet */
3541static void b43_nphy_mac_phy_clock_set(struct b43_wldev *dev, bool on)
3542{
3543        u32 tmslow = ssb_read32(dev->dev, SSB_TMSLOW);
3544        if (on)
3545                tmslow |= B43_TMSLOW_MACPHYCLKEN;
3546        else
3547                tmslow &= ~B43_TMSLOW_MACPHYCLKEN;
3548        ssb_write32(dev->dev, SSB_TMSLOW, tmslow);
3549}
3550
3551/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCoreSetState */
3552static void b43_nphy_set_rx_core_state(struct b43_wldev *dev, u8 mask)
3553{
3554        struct b43_phy *phy = &dev->phy;
3555        struct b43_phy_n *nphy = phy->n;
3556        /* u16 buf[16]; it's rev3+ */
3557
3558        nphy->phyrxchain = mask;
3559
3560        if (0 /* FIXME clk */)
3561                return;
3562
3563        b43_mac_suspend(dev);
3564
3565        if (nphy->hang_avoid)
3566                b43_nphy_stay_in_carrier_search(dev, true);
3567
3568        b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN,
3569                        (mask & 0x3) << B43_NPHY_RFSEQCA_RXEN_SHIFT);
3570
3571        if ((mask & 0x3) != 0x3) {
3572                b43_phy_write(dev, B43_NPHY_HPANT_SWTHRES, 1);
3573                if (dev->phy.rev >= 3) {
3574                        /* TODO */
3575                }
3576        } else {
3577                b43_phy_write(dev, B43_NPHY_HPANT_SWTHRES, 0x1E);
3578                if (dev->phy.rev >= 3) {
3579                        /* TODO */
3580                }
3581        }
3582
3583        b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
3584
3585        if (nphy->hang_avoid)
3586                b43_nphy_stay_in_carrier_search(dev, false);
3587
3588        b43_mac_enable(dev);
3589}
3590
3591/*
3592 * Init N-PHY
3593 * http://bcm-v4.sipsolutions.net/802.11/PHY/Init/N
3594 */
3595int b43_phy_initn(struct b43_wldev *dev)
3596{
3597        struct ssb_bus *bus = dev->dev->bus;
3598        struct b43_phy *phy = &dev->phy;
3599        struct b43_phy_n *nphy = phy->n;
3600        u8 tx_pwr_state;
3601        struct nphy_txgains target;
3602        u16 tmp;
3603        enum ieee80211_band tmp2;
3604        bool do_rssi_cal;
3605
3606        u16 clip[2];
3607        bool do_cal = false;
3608
3609        if ((dev->phy.rev >= 3) &&
3610           (bus->sprom.boardflags_lo & B43_BFL_EXTLNA) &&
3611           (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)) {
3612                chipco_set32(&dev->dev->bus->chipco, SSB_CHIPCO_CHIPCTL, 0x40);
3613        }
3614        nphy->deaf_count = 0;
3615        b43_nphy_tables_init(dev);
3616        nphy->crsminpwr_adjusted = false;
3617        nphy->noisevars_adjusted = false;
3618
3619        /* Clear all overrides */
3620        if (dev->phy.rev >= 3) {
3621                b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, 0);
3622                b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
3623                b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, 0);
3624                b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, 0);
3625        } else {
3626                b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
3627        }
3628        b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, 0);
3629        b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, 0);
3630        if (dev->phy.rev < 6) {
3631                b43_phy_write(dev, B43_NPHY_RFCTL_INTC3, 0);
3632                b43_phy_write(dev, B43_NPHY_RFCTL_INTC4, 0);
3633        }
3634        b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
3635                     ~(B43_NPHY_RFSEQMODE_CAOVER |
3636                       B43_NPHY_RFSEQMODE_TROVER));
3637        if (dev->phy.rev >= 3)
3638                b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, 0);
3639        b43_phy_write(dev, B43_NPHY_AFECTL_OVER, 0);
3640
3641        if (dev->phy.rev <= 2) {
3642                tmp = (dev->phy.rev == 2) ? 0x3B : 0x40;
3643                b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
3644                                ~B43_NPHY_BPHY_CTL3_SCALE,
3645                                tmp << B43_NPHY_BPHY_CTL3_SCALE_SHIFT);
3646        }
3647        b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_20M, 0x20);
3648        b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_40M, 0x20);
3649
3650        if (bus->sprom.boardflags2_lo & 0x100 ||
3651            (bus->boardinfo.vendor == PCI_VENDOR_ID_APPLE &&
3652             bus->boardinfo.type == 0x8B))
3653                b43_phy_write(dev, B43_NPHY_TXREALFD, 0xA0);
3654        else
3655                b43_phy_write(dev, B43_NPHY_TXREALFD, 0xB8);
3656        b43_phy_write(dev, B43_NPHY_MIMO_CRSTXEXT, 0xC8);
3657        b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x50);
3658        b43_phy_write(dev, B43_NPHY_TXRIFS_FRDEL, 0x30);
3659
3660        b43_nphy_update_mimo_config(dev, nphy->preamble_override);
3661        b43_nphy_update_txrx_chain(dev);
3662
3663        if (phy->rev < 2) {
3664                b43_phy_write(dev, B43_NPHY_DUP40_GFBL, 0xAA8);
3665                b43_phy_write(dev, B43_NPHY_DUP40_BL, 0x9A4);
3666        }
3667
3668        tmp2 = b43_current_band(dev->wl);
3669        if ((nphy->ipa2g_on && tmp2 == IEEE80211_BAND_2GHZ) ||
3670            (nphy->ipa5g_on && tmp2 == IEEE80211_BAND_5GHZ)) {
3671                b43_phy_set(dev, B43_NPHY_PAPD_EN0, 0x1);
3672                b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ0, 0x007F,
3673                                nphy->papd_epsilon_offset[0] << 7);
3674                b43_phy_set(dev, B43_NPHY_PAPD_EN1, 0x1);
3675                b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ1, 0x007F,
3676                                nphy->papd_epsilon_offset[1] << 7);
3677                b43_nphy_int_pa_set_tx_dig_filters(dev);
3678        } else if (phy->rev >= 5) {
3679                b43_nphy_ext_pa_set_tx_dig_filters(dev);
3680        }
3681
3682        b43_nphy_workarounds(dev);
3683
3684        /* Reset CCA, in init code it differs a little from standard way */
3685        b43_nphy_bmac_clock_fgc(dev, 1);
3686        tmp = b43_phy_read(dev, B43_NPHY_BBCFG);
3687        b43_phy_write(dev, B43_NPHY_BBCFG, tmp | B43_NPHY_BBCFG_RSTCCA);
3688        b43_phy_write(dev, B43_NPHY_BBCFG, tmp & ~B43_NPHY_BBCFG_RSTCCA);
3689        b43_nphy_bmac_clock_fgc(dev, 0);
3690
3691        b43_nphy_mac_phy_clock_set(dev, true);
3692
3693        b43_nphy_pa_override(dev, false);
3694        b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
3695        b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
3696        b43_nphy_pa_override(dev, true);
3697
3698        b43_nphy_classifier(dev, 0, 0);
3699        b43_nphy_read_clip_detection(dev, clip);
3700        if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
3701                b43_nphy_bphy_init(dev);
3702
3703        tx_pwr_state = nphy->txpwrctrl;
3704        b43_nphy_tx_power_ctrl(dev, false);
3705        b43_nphy_tx_power_fix(dev);
3706        /* TODO N PHY TX Power Control Idle TSSI */
3707        /* TODO N PHY TX Power Control Setup */
3708
3709        if (phy->rev >= 3) {
3710                /* TODO */
3711        } else {
3712                b43_ntab_write_bulk(dev, B43_NTAB32(26, 192), 128,
3713                                        b43_ntab_tx_gain_rev0_1_2);
3714                b43_ntab_write_bulk(dev, B43_NTAB32(27, 192), 128,
3715                                        b43_ntab_tx_gain_rev0_1_2);
3716        }
3717
3718        if (nphy->phyrxchain != 3)
3719                b43_nphy_set_rx_core_state(dev, nphy->phyrxchain);
3720        if (nphy->mphase_cal_phase_id > 0)
3721                ;/* TODO PHY Periodic Calibration Multi-Phase Restart */
3722
3723        do_rssi_cal = false;
3724        if (phy->rev >= 3) {
3725                if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
3726                        do_rssi_cal = !nphy->rssical_chanspec_2G.center_freq;
3727                else
3728                        do_rssi_cal = !nphy->rssical_chanspec_5G.center_freq;
3729
3730                if (do_rssi_cal)
3731                        b43_nphy_rssi_cal(dev);
3732                else
3733                        b43_nphy_restore_rssi_cal(dev);
3734        } else {
3735                b43_nphy_rssi_cal(dev);
3736        }
3737
3738        if (!((nphy->measure_hold & 0x6) != 0)) {
3739                if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
3740                        do_cal = !nphy->iqcal_chanspec_2G.center_freq;
3741                else
3742                        do_cal = !nphy->iqcal_chanspec_5G.center_freq;
3743
3744                if (nphy->mute)
3745                        do_cal = false;
3746
3747                if (do_cal) {
3748                        target = b43_nphy_get_tx_gains(dev);
3749
3750                        if (nphy->antsel_type == 2)
3751                                b43_nphy_superswitch_init(dev, true);
3752                        if (nphy->perical != 2) {
3753                                b43_nphy_rssi_cal(dev);
3754                                if (phy->rev >= 3) {
3755                                        nphy->cal_orig_pwr_idx[0] =
3756                                            nphy->txpwrindex[0].index_internal;
3757                                        nphy->cal_orig_pwr_idx[1] =
3758                                            nphy->txpwrindex[1].index_internal;
3759                                        /* TODO N PHY Pre Calibrate TX Gain */
3760                                        target = b43_nphy_get_tx_gains(dev);
3761                                }
3762                                if (!b43_nphy_cal_tx_iq_lo(dev, target, true, false))
3763                                        if (b43_nphy_cal_rx_iq(dev, target, 2, 0) == 0)
3764                                                b43_nphy_save_cal(dev);
3765                        } else if (nphy->mphase_cal_phase_id == 0)
3766                                ;/* N PHY Periodic Calibration with arg 3 */
3767                } else {
3768                        b43_nphy_restore_cal(dev);
3769                }
3770        }
3771
3772        b43_nphy_tx_pwr_ctrl_coef_setup(dev);
3773        b43_nphy_tx_power_ctrl(dev, tx_pwr_state);
3774        b43_phy_write(dev, B43_NPHY_TXMACIF_HOLDOFF, 0x0015);
3775        b43_phy_write(dev, B43_NPHY_TXMACDELAY, 0x0320);
3776        if (phy->rev >= 3 && phy->rev <= 6)
3777                b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x0014);
3778        b43_nphy_tx_lp_fbw(dev);
3779        if (phy->rev >= 3)
3780                b43_nphy_spur_workaround(dev);
3781
3782        return 0;
3783}
3784
3785/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ChanspecSetup */
3786static void b43_nphy_channel_setup(struct b43_wldev *dev,
3787                                const struct b43_phy_n_sfo_cfg *e,
3788                                struct ieee80211_channel *new_channel)
3789{
3790        struct b43_phy *phy = &dev->phy;
3791        struct b43_phy_n *nphy = dev->phy.n;
3792
3793        u16 old_band_5ghz;
3794        u32 tmp32;
3795
3796        old_band_5ghz =
3797                b43_phy_read(dev, B43_NPHY_BANDCTL) & B43_NPHY_BANDCTL_5GHZ;
3798        if (new_channel->band == IEEE80211_BAND_5GHZ && !old_band_5ghz) {
3799                tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
3800                b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
3801                b43_phy_set(dev, B43_PHY_B_BBCFG, 0xC000);
3802                b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
3803                b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ);
3804        } else if (new_channel->band == IEEE80211_BAND_2GHZ && old_band_5ghz) {
3805                b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ);
3806                tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
3807                b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
3808                b43_phy_mask(dev, B43_PHY_B_BBCFG, 0x3FFF);
3809                b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
3810        }
3811
3812        b43_chantab_phy_upload(dev, e);
3813
3814        if (new_channel->hw_value == 14) {
3815                b43_nphy_classifier(dev, 2, 0);
3816                b43_phy_set(dev, B43_PHY_B_TEST, 0x0800);
3817        } else {
3818                b43_nphy_classifier(dev, 2, 2);
3819                if (new_channel->band == IEEE80211_BAND_2GHZ)
3820                        b43_phy_mask(dev, B43_PHY_B_TEST, ~0x840);
3821        }
3822
3823        if (!nphy->txpwrctrl)
3824                b43_nphy_tx_power_fix(dev);
3825
3826        if (dev->phy.rev < 3)
3827                b43_nphy_adjust_lna_gain_table(dev);
3828
3829        b43_nphy_tx_lp_fbw(dev);
3830
3831        if (dev->phy.rev >= 3 && 0) {
3832                /* TODO */
3833        }
3834
3835        b43_phy_write(dev, B43_NPHY_NDATAT_DUP40, 0x3830);
3836
3837        if (phy->rev >= 3)
3838                b43_nphy_spur_workaround(dev);
3839}
3840
3841/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetChanspec */
3842static int b43_nphy_set_channel(struct b43_wldev *dev,
3843                                struct ieee80211_channel *channel,
3844                                enum nl80211_channel_type channel_type)
3845{
3846        struct b43_phy *phy = &dev->phy;
3847
3848        const struct b43_nphy_channeltab_entry_rev2 *tabent_r2;
3849        const struct b43_nphy_channeltab_entry_rev3 *tabent_r3;
3850
3851        u8 tmp;
3852
3853        if (dev->phy.rev >= 3) {
3854                tabent_r3 = b43_nphy_get_chantabent_rev3(dev,
3855                                                        channel->center_freq);
3856                if (!tabent_r3)
3857                        return -ESRCH;
3858        } else {
3859                tabent_r2 = b43_nphy_get_chantabent_rev2(dev,
3860                                                        channel->hw_value);
3861                if (!tabent_r2)
3862                        return -ESRCH;
3863        }
3864
3865        /* Channel is set later in common code, but we need to set it on our
3866           own to let this function's subcalls work properly. */
3867        phy->channel = channel->hw_value;
3868        phy->channel_freq = channel->center_freq;
3869
3870        if (b43_channel_type_is_40mhz(phy->channel_type) !=
3871                b43_channel_type_is_40mhz(channel_type))
3872                ; /* TODO: BMAC BW Set (channel_type) */
3873
3874        if (channel_type == NL80211_CHAN_HT40PLUS)
3875                b43_phy_set(dev, B43_NPHY_RXCTL,
3876                                B43_NPHY_RXCTL_BSELU20);
3877        else if (channel_type == NL80211_CHAN_HT40MINUS)
3878                b43_phy_mask(dev, B43_NPHY_RXCTL,
3879                                ~B43_NPHY_RXCTL_BSELU20);
3880
3881        if (dev->phy.rev >= 3) {
3882                tmp = (channel->band == IEEE80211_BAND_5GHZ) ? 4 : 0;
3883                b43_radio_maskset(dev, 0x08, 0xFFFB, tmp);
3884                b43_radio_2056_setup(dev, tabent_r3);
3885                b43_nphy_channel_setup(dev, &(tabent_r3->phy_regs), channel);
3886        } else {
3887                tmp = (channel->band == IEEE80211_BAND_5GHZ) ? 0x0020 : 0x0050;
3888                b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, tmp);
3889                b43_radio_2055_setup(dev, tabent_r2);
3890                b43_nphy_channel_setup(dev, &(tabent_r2->phy_regs), channel);
3891        }
3892
3893        return 0;
3894}
3895
3896static int b43_nphy_op_allocate(struct b43_wldev *dev)
3897{
3898        struct b43_phy_n *nphy;
3899
3900        nphy = kzalloc(sizeof(*nphy), GFP_KERNEL);
3901        if (!nphy)
3902                return -ENOMEM;
3903        dev->phy.n = nphy;
3904
3905        return 0;
3906}
3907
3908static void b43_nphy_op_prepare_structs(struct b43_wldev *dev)
3909{
3910        struct b43_phy *phy = &dev->phy;
3911        struct b43_phy_n *nphy = phy->n;
3912
3913        memset(nphy, 0, sizeof(*nphy));
3914
3915        nphy->hang_avoid = (phy->rev == 3 || phy->rev == 4);
3916        nphy->gain_boost = true; /* this way we follow wl, assume it is true */
3917        nphy->txrx_chain = 2; /* sth different than 0 and 1 for now */
3918        nphy->phyrxchain = 3; /* to avoid b43_nphy_set_rx_core_state like wl */
3919        nphy->perical = 2; /* avoid additional rssi cal on init (like wl) */
3920}
3921
3922static void b43_nphy_op_free(struct b43_wldev *dev)
3923{
3924        struct b43_phy *phy = &dev->phy;
3925        struct b43_phy_n *nphy = phy->n;
3926
3927        kfree(nphy);
3928        phy->n = NULL;
3929}
3930
3931static int b43_nphy_op_init(struct b43_wldev *dev)
3932{
3933        return b43_phy_initn(dev);
3934}
3935
3936static inline void check_phyreg(struct b43_wldev *dev, u16 offset)
3937{
3938#if B43_DEBUG
3939        if ((offset & B43_PHYROUTE) == B43_PHYROUTE_OFDM_GPHY) {
3940                /* OFDM registers are onnly available on A/G-PHYs */
3941                b43err(dev->wl, "Invalid OFDM PHY access at "
3942                       "0x%04X on N-PHY\n", offset);
3943                dump_stack();
3944        }
3945        if ((offset & B43_PHYROUTE) == B43_PHYROUTE_EXT_GPHY) {
3946                /* Ext-G registers are only available on G-PHYs */
3947                b43err(dev->wl, "Invalid EXT-G PHY access at "
3948                       "0x%04X on N-PHY\n", offset);
3949                dump_stack();
3950        }
3951#endif /* B43_DEBUG */
3952}
3953
3954static u16 b43_nphy_op_read(struct b43_wldev *dev, u16 reg)
3955{
3956        check_phyreg(dev, reg);
3957        b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
3958        return b43_read16(dev, B43_MMIO_PHY_DATA);
3959}
3960
3961static void b43_nphy_op_write(struct b43_wldev *dev, u16 reg, u16 value)
3962{
3963        check_phyreg(dev, reg);
3964        b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
3965        b43_write16(dev, B43_MMIO_PHY_DATA, value);
3966}
3967
3968static void b43_nphy_op_maskset(struct b43_wldev *dev, u16 reg, u16 mask,
3969                                 u16 set)
3970{
3971        check_phyreg(dev, reg);
3972        b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
3973        b43_write16(dev, B43_MMIO_PHY_DATA,
3974                    (b43_read16(dev, B43_MMIO_PHY_DATA) & mask) | set);
3975}
3976
3977static u16 b43_nphy_op_radio_read(struct b43_wldev *dev, u16 reg)
3978{
3979        /* Register 1 is a 32-bit register. */
3980        B43_WARN_ON(reg == 1);
3981        /* N-PHY needs 0x100 for read access */
3982        reg |= 0x100;
3983
3984        b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
3985        return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
3986}
3987
3988static void b43_nphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
3989{
3990        /* Register 1 is a 32-bit register. */
3991        B43_WARN_ON(reg == 1);
3992
3993        b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
3994        b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
3995}
3996
3997/* http://bcm-v4.sipsolutions.net/802.11/Radio/Switch%20Radio */
3998static void b43_nphy_op_software_rfkill(struct b43_wldev *dev,
3999                                        bool blocked)
4000{
4001        if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED)
4002                b43err(dev->wl, "MAC not suspended\n");
4003
4004        if (blocked) {
4005                b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
4006                                ~B43_NPHY_RFCTL_CMD_CHIP0PU);
4007                if (dev->phy.rev >= 3) {
4008                        b43_radio_mask(dev, 0x09, ~0x2);
4009
4010                        b43_radio_write(dev, 0x204D, 0);
4011                        b43_radio_write(dev, 0x2053, 0);
4012                        b43_radio_write(dev, 0x2058, 0);
4013                        b43_radio_write(dev, 0x205E, 0);
4014                        b43_radio_mask(dev, 0x2062, ~0xF0);
4015                        b43_radio_write(dev, 0x2064, 0);
4016
4017                        b43_radio_write(dev, 0x304D, 0);
4018                        b43_radio_write(dev, 0x3053, 0);
4019                        b43_radio_write(dev, 0x3058, 0);
4020                        b43_radio_write(dev, 0x305E, 0);
4021                        b43_radio_mask(dev, 0x3062, ~0xF0);
4022                        b43_radio_write(dev, 0x3064, 0);
4023                }
4024        } else {
4025                if (dev->phy.rev >= 3) {
4026                        b43_radio_init2056(dev);
4027                        b43_switch_channel(dev, dev->phy.channel);
4028                } else {
4029                        b43_radio_init2055(dev);
4030                }
4031        }
4032}
4033
4034/* http://bcm-v4.sipsolutions.net/802.11/PHY/Anacore */
4035static void b43_nphy_op_switch_analog(struct b43_wldev *dev, bool on)
4036{
4037        u16 val = on ? 0 : 0x7FFF;
4038
4039        if (dev->phy.rev >= 3)
4040                b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, val);
4041        b43_phy_write(dev, B43_NPHY_AFECTL_OVER, val);
4042}
4043
4044static int b43_nphy_op_switch_channel(struct b43_wldev *dev,
4045                                      unsigned int new_channel)
4046{
4047        struct ieee80211_channel *channel = dev->wl->hw->conf.channel;
4048        enum nl80211_channel_type channel_type = dev->wl->hw->conf.channel_type;
4049
4050        if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
4051                if ((new_channel < 1) || (new_channel > 14))
4052                        return -EINVAL;
4053        } else {
4054                if (new_channel > 200)
4055                        return -EINVAL;
4056        }
4057
4058        return b43_nphy_set_channel(dev, channel, channel_type);
4059}
4060
4061static unsigned int b43_nphy_op_get_default_chan(struct b43_wldev *dev)
4062{
4063        if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
4064                return 1;
4065        return 36;
4066}
4067
4068const struct b43_phy_operations b43_phyops_n = {
4069        .allocate               = b43_nphy_op_allocate,
4070        .free                   = b43_nphy_op_free,
4071        .prepare_structs        = b43_nphy_op_prepare_structs,
4072        .init                   = b43_nphy_op_init,
4073        .phy_read               = b43_nphy_op_read,
4074        .phy_write              = b43_nphy_op_write,
4075        .phy_maskset            = b43_nphy_op_maskset,
4076        .radio_read             = b43_nphy_op_radio_read,
4077        .radio_write            = b43_nphy_op_radio_write,
4078        .software_rfkill        = b43_nphy_op_software_rfkill,
4079        .switch_analog          = b43_nphy_op_switch_analog,
4080        .switch_channel         = b43_nphy_op_switch_channel,
4081        .get_default_chan       = b43_nphy_op_get_default_chan,
4082        .recalc_txpower         = b43_nphy_op_recalc_txpower,
4083        .adjust_txpower         = b43_nphy_op_adjust_txpower,
4084};
4085